Contact Zhaoke Biotech
1. Global Accessibility — Multiple contact channels across time zones for seamless international communication
2. Rapid Response — Dedicated account managers and technical specialists ensuring inquiries are addressed within 4 business hours
3. Full-Service Inquiry Handling — From product quotes to regulatory documentation requests to custom sourcing consultations
4. Local Language Support — English and Chinese primary communication with interpretation services for major markets
Get in Touch
Multiple channels to reach us — pick the one that works best for you.
Online Inquiry Form — Submit your request directly through our secure form and receive a response within 4 business hours.
Privacy Commitment
All information submitted through this form is protected under our Privacy Policy. We do not share your contact details with third parties. Your data is used solely for processing your inquiry and providing follow-up service.
Expected Response Time:
- Product quotes: Within 4 business hours (standard catalog) or 24 hours (custom sourcing)
- Technical consultation: Within 1 business day
- Documentation requests: Within 4 business hours
- Partnership inquiries: Within 1–2 business days
Zhaoke Bio maintains multiple communication channels to ensure you can reach us conveniently from anywhere in the world. Our team operates primarily during Asia business hours with extended coverage for urgent matters.
General Inquiries
• Email: inquiry@zhaokebio.com
• Purpose: Product quotes, catalog requests, general questions, order status
• Response time: Within 4 business hours
Technical Support
• Email: support@zhaokebio.com
• Purpose: Product technical questions, QC data interpretation, formulation guidance, stability concerns
• Response time: Within 1 business day
Documentation Requests
• Email: docs@zhaokebio.com
• Purpose: CoA requests, MSDS download, regulatory documentation, DMF/CEP support, custom documentation
• Response time: Within 4 business hours
Phone
• Main Line: +86 198 4267 3490
• Hours: Monday–Friday, 9:00 AM – 6:00 PM CST (GMT+8)
• Purpose: Urgent inquiries, real-time consultation, order confirmation
Client Portal
• URL: supply.zhaokebio.com
• Purpose: 24/7 online order placement, inventory checking, shipment tracking, CoA download, invoice management
• Access: Free registration for all qualified B2B clients
Instant Messaging
• WeChat: katiezhang87
• WhatsApp: +86 198 4267 3490
• Purpose: Quick questions, order updates, document sharing
• Response time: Within 2 business hours during operating hours
For quality complaints or urgent shipment issues, please contact your dedicated account manager directly or call our emergency support line.
Zhaoke Bio operates from our headquarters in Shenzhen, China — one of the world’s leading hubs for biotechnology, international trade, and innovation. We also maintain distribution coordination offices in key global markets to support regional logistics and customer service.
Headquarters — Shenzhen, China
• Address: R&D Center: Room A207-208, Building A, No.3 Branch Park, Leibo Zhongcheng Life Science Park, Pingshan District, Shenzhen, Guangdong, China, 518118
• Phone: +86 198 4267 3490
• Functions: Executive management, global sales, procurement, quality control laboratory, primary warehousing and distribution center
• Nearest Airport: Shenzhen Bao’an International Airport (SZX) — 30 minutes
• Nearest Port: Yantian Port / Shekou Port — major international shipping gateways
Logistics Advantages of Shenzhen Headquarters:
- Strategic location in the Pearl River Delta — China’s largest manufacturing and export hub
- Direct access to Hong Kong’s international logistics infrastructure (air, sea, land)
- Proximity to China’s largest peptide manufacturing cluster (Guangdong, Zhejiang, Jiangsu)
- Efficient customs processing through Shenzhen’s bonded logistics zones
- Multiple daily international flights to all major global destinations
European Distribution Hub — Rotterdam, Netherlands
[Please replace with actual address]
• Address: [Warehouse Location], Rotterdam, Netherlands
• Functions: EU customs pre-clearance, bonded warehousing, regional distribution to EU/EEA markets
• Coverage: Germany, France, UK, Netherlands, Belgium, Italy, Spain, Scandinavia, Eastern Europe
• Delivery: 2–5 days to all major EU markets
• Compliance: REACH registered, GDP compliant
North American Distribution Hub — San Diego, USA
[Please replace with actual address]
• Address: [Facility Location], San Diego, California, USA
• Functions: FDA-registered storage, regional distribution to US and Canada
• Coverage: United States (West Coast priority), Canada
• Delivery: 2–3 days West Coast, 3–5 days East Coast
• Compliance: FDA facility registration
Middle East Coordination Office — Dubai, UAE
[Please replace with actual address]
• Address: [Office Location], Dubai, UAE
• Functions: Middle East and Africa market coordination, logistics support, regional partner management
• Coverage: UAE, Saudi Arabia, Qatar, Kuwait, Bahrain, Oman, South Africa, Egypt, Nigeria
• Delivery: 1–2 days Gulf countries, 3–5 days Middle East & North Africa
Zhaoke Bio’s teams operate across multiple time zones to provide responsive service to our global client base. While our headquarters follows China Standard Time, our regional hubs and online systems ensure continuous coverage.
Shenzhen Headquarters (Primary Contact Center)
• Monday to Friday: 9:00 AM – 6:00 PM CST (GMT+8)
• Saturday: 9:00 AM – 12:00 PM CST (Limited staff — urgent matters only)
• Sunday: Closed
• Public Holidays: Closed (Chinese national holidays — adjusted schedule provided quarterly)
Time Zone Reference Table for Global Clients
| Your Location | Your Business Hours | Overlap with Zhaoke |
|---|---|---|
| West Coast USA (Los Angeles) | 9:00 AM – 5:00 PM (PST, GMT-8) | 5:00 PM – 1:00 AM* *(Previous day) |
| East Coast USA (New York) | 9:00 AM – 5:00 PM (EST, GMT-5) | 9:00 PM – 6:00 AM* *(Previous day) |
| UK / Ireland (London) | 9:00 AM – 5:00 PM (GMT/BST) | 2:00 PM – 10:00 PM (Same day) |
| Central Europe (Berlin/Paris) | 9:00 AM – 5:00 PM (CET, GMT+1) | 3:00 PM – 11:00 PM (Same day) |
| Japan (Tokyo) | 9:00 AM – 5:00 PM (JST, GMT+9) | 10:00 AM – 7:00 PM (Same day) |
| Australia East (Sydney) | 9:00 AM – 5:00 PM (AEST, GMT+10) | 11:00 AM – 8:00 PM (Same day) |
| South Korea (Seoul) | 9:00 AM – 5:00 PM (KST, GMT+9) | 10:00 AM – 7:00 PM (Same day) |
| UAE (Dubai) | 9:00 AM – 5:00 PM (GST, GMT+4) | 1:00 PM – 10:00 PM (Same day) |
| Brazil (East) (São Paulo) | 9:00 AM – 5:00 PM (BRT, GMT-3) | 8:00 PM – 5:00 AM* *(Previous day) |
Note: Overlap hours indicate when both you and the Zhaoke team are likely to be available for real-time communication (phone/video calls). For clients with limited overlap, email communication ensures responses within stated timeframes regardless of time zone.
Scheduled Consultation Calls Across Time Zones:
- Americas clients: We schedule calls from 8:00 PM – 12:00 AM CST (your morning)
- European clients: We schedule calls from 4:00 PM – 9:00 PM CST (your morning)
- Middle East clients: We schedule calls from 1:00 PM – 5:00 PM CST (your morning)
- Asia-Pacific clients: We schedule calls during our standard business hours
How Can We Help
From product quotes to partnership opportunities — here’s how we can support your needs.
The fastest way to receive pricing for our products:
For Catalog Products:
• Recommended: Submit inquiry form or email inquiry@zhaokebio.com
• Please include: Product name (or CAS number), grade required (pharma/research/cosmetic), quantity needed, destination country
• Response time: Within 4 business hours
• Quote validity: 30 days from issuance
• What you will receive: Detailed quotation including product cost, QC testing fee, documentation charges, packaging, shipping estimate, and total landed cost
For Custom Sourcing Projects:
• Recommended: Email inquiry@zhaokebio.com with subject line “Custom Sourcing Request”
• Please include: Peptide sequence (or description), modifications required, purity target, quantity, target application, grade required
• Response time: Within 24 hours (initial feasibility assessment); full quotation within 3–5 business days
• What you will receive: Feasibility assessment, recommended manufacturer profile, detailed quotation with timeline, and sample availability confirmation
For Volume / Contract Pricing:
• Recommended: Email inquiry@zhaokebio.com or contact your account manager
• Please include: Annual volume forecast, product list, preferred delivery schedule, target pricing
• Response time: Within 2–3 business days
• What you will receive: Volume discount proposal, annual framework agreement terms, inventory holding options, and dedicated account manager assignment
Price Transparency:
All Zhaoke Bio quotations include complete cost breakdown — no hidden fees. We clearly itemize:
(1) Product cost per unit
(2) QC incoming inspection fee
(3) Documentation package fee
(4) Packaging and cold-chain materials
(5) Shipping and insurance estimate
(6) Any applicable export/import permits or certifications
Access product documentation quickly and easily:
Self-Service (Fastest):
• Client Portal: supply.zhaokebio.com
– Log in or register for free
– Search product by name or CAS number
– Download CoA (PDF), MSDS (PDF), and specification sheet instantly
– Available 24/7; no waiting required
Email Request:
• Send to: docs@zhaokebio.com
• Please include: Product name, CAS number, batch number (if specific batch required), your company name
• Response time: Within 4 business hours
• For bulk requests: Attach a spreadsheet with up to 50 products; documentation package delivered within 1 business day
Types of Documentation Available:
- Certificate of Analysis (CoA) — Zhaoke Bio unified format with independent QC results
- Manufacturer Certificate of Analysis — Original manufacturer CoA
- Material Safety Data Sheet (MSDS) — GHS-compliant, English (Chinese available)
- Product Specification Sheet — Full technical details
- Stability Summary — Available for most pharma-grade APIs
- Certificate of Origin — For customs clearance
- ICH Q3C Residual Solvent Assessment — Available upon request
- ICH Q3D Elemental Impurity Assessment — Available upon request
- GMP Compliance Statement — Manufacturer certification
- DMF/CEP Holder Contact Information — For regulatory filing support
Custom Documentation Services:
- Client-specific CoA formatting: We can adapt our CoA to match your internal template
- Additional analytical testing: Extra tests beyond standard panel arranged upon request
- Document translation: Japanese, Korean, German, Spanish, Arabic, and other languages
- Regulatory filing packages: Compiled documentation sets for FDA, EMA, NMPA submissions
Our technical support team includes PhD-level scientists with deep expertise in peptide chemistry, analytical methods, formulation science, and regulatory affairs. We offer complimentary technical consultations to help you select the right products and optimize your applications.
Consultation Topics We Cover:
Product Selection Guidance:
- Which grade (pharma/research/cosmetic) is appropriate for your application
- Purity level recommendations based on your end-use requirements
- Quantity and packaging suggestions for your project scale
- Alternative product recommendations if your first choice is unavailable
- Shelf-life and storage condition guidance
Formulation Support (Cosmetic & Pharma):
- Recommended concentration ranges for cosmetic peptide actives
- pH compatibility and solubility optimization
- Stability considerations for peptide formulations
- Excipient compatibility and preservative system recommendations
- Packaging material selection (primary container considerations)
Analytical Method Guidance:
- HPLC method development suggestions for peptide analysis
- Stability-indicating method considerations
- Forced degradation study design
- Reference standard selection and qualification
Regulatory Pathway Consultation:
- Market-specific regulatory requirements for your target country
- Documentation needs for import registration
- Pharmacopeial compliance (USP/EP/BP/ChP/JP) verification
- DMF/CEP filing strategy discussion
- REACH and cosmetics regulation (EU 1223/2009) guidance
How to Request a Technical Consultation:
• Email: support@zhaokebio.com with subject line “Technical Consultation Request”
• Include: Your technical question or project description, your application context (research / formulation / regulatory), preferred consultation format (email / phone / video call), and your time zone for scheduling
• Response time: Consultation scheduling within 1 business day; typical consultation duration 30–60 minutes
• Fee: Complimentary for all qualified B2B clients
• Follow-up: Written consultation summary provided within 2 business days; unlimited follow-up questions via email within 30 days after consultation
Zhaoke Bio actively seeks partnerships with companies and individuals who can help expand our global reach. We offer attractive partnership programs for regional distributors, sales agents, and strategic collaborators.
Distributor Partner Program:
Who We Are Looking For:
- Regional chemical or pharmaceutical distributors with established client networks
- Cosmetic ingredient distributors serving skincare and personal care manufacturers
- Companies with strong local regulatory knowledge and import capabilities
- Partners committed to promoting premium peptide products in their territory
What We Offer:
- Exclusive or semi-exclusive distribution rights for defined geographic territories
- Distributor pricing 20–30% below standard list prices
- Comprehensive marketing support: product datasheets, application notes, formulation guides, presentation materials
- Lead referral program: Inbound inquiries from your territory forwarded to you
- Technical training: Online and in-person product and application training sessions
- Sample support: Free evaluation samples for your key prospects
- Joint marketing: Co-branded content, trade show participation, webinar collaboration
- Minimum commitment: Negotiable based on territory size and market potential
Strategic Partner Program:
For larger organizations seeking deeper collaboration:
- Annual purchase commitment $100,000+
- Guaranteed inventory allocation for high-demand products
- Custom product development input
- Joint R&D project opportunities
- Co-investment in market development activities
- Executive-level relationship management
How to Apply:
• Email: inquiry@zhaokebio.com with subject line “Partnership / Distributor Application”
• Include: Company profile, target territory, current product portfolio, client base description, estimated annual purchase volume, and proposed partnership model
• Review process: Initial response within 2 business days; partnership evaluation within 2 weeks; agreement drafted upon mutual agreement
• Contact: Partnership inquiries are handled by our International Business Development Director
After You Contact Us
Here is exactly what happens after you reach out — so you know what to expect at every step.
Step-by-Step Journey After Your First Contact:
Step 1: Acknowledgement (Within 4 hours)
• You receive an automated email confirming your inquiry has been received
• A tracking number is assigned to your request for easy follow-up
• For urgent matters, a team member may call you within 2 hours
Step 2: Initial Response (Within 4–24 hours depending on inquiry type)
• Product quotes: Detailed quotation with pricing breakdown, lead time, and shipping estimate
• Technical questions: Initial assessment with follow-up questions if needed to provide accurate guidance
• Documentation requests: Direct download links or email attachments with requested files
• Partnership inquiries: Scheduling of introductory call with partnership team
Step 3: Consultation (If needed — typically within 1–3 business days)
• For complex inquiries, we schedule a consultation call (phone or video) with the appropriate specialist:
– Technical Sales Specialist (for product selection and application questions)
– Regulatory Affairs Manager (for market entry and compliance questions)
– Custom Sourcing Manager (for non-catalog product needs)
– Partnership Director (for distributor and strategic partnership discussions)
• Consultation duration: Typically 30–60 minutes
• Written summary provided within 2 business days after the call
Step 4: Quotation & Negotiation (1–3 business days)
• Formal quotation issued with:
– Product specifications and confirmed availability
– Unit pricing and volume discount tiers
– QC testing and documentation fees
– Packaging, shipping, and insurance costs
– Total landed cost delivered to your address
– Payment terms (T/T or cryptocurrency)
– Lead time and delivery schedule
• Negotiation: We are open to discussing pricing, payment terms, and delivery arrangements to meet your needs
Step 5: Order Confirmation (Same day upon PO receipt)
• Purchase order review and confirmation
• Proforma invoice issued
• Payment instructions sent (wire transfer bank details or cryptocurrency wallet address)
• Order enters our fulfillment queue
Step 6: Fulfillment & QC (2 days – 3 weeks, depending on product)
• In-stock products: Batch retrieved from inventory → incoming QC verification → documentation preparation → packaging
• Made-to-order products: Supplier order placed → production monitoring → batch delivered to our facility → QC testing → documentation → packaging
• Custom sourcing: Manufacturer identification → feasibility confirmation → production → QC testing → documentation → packaging
Step 7: Shipment (Same day QC releases batch)
• Temperature-controlled packaging prepared
• Carrier booked (DHL/FedEx/UPS) with tracking number
• Export customs declaration submitted
• Customer notified with tracking information and estimated delivery date
• Real-time temperature monitoring activated
Step 8: Delivery & Follow-up (2–8 days, depending on destination)
• Shipment arrives at your facility
• Delivery confirmation with signature
• Complete documentation package emailed (CoA, MSDS, invoice, packing list)
• Account manager follows up within 48 hours to confirm product condition and satisfaction
• Quality complaint handling (if any): CAPA process initiated, 10 business days resolution target
Ongoing Relationship:
- Your dedicated account manager maintains regular contact
- Reorder reminders based on your consumption patterns
- Market intelligence sharing (new products, regulatory changes, price trends)
- Annual business review meeting (strategic partners)
- Priority access to new products and limited-inventory items
For clients who place regular orders, we recommend registering for our secure client portal — your 24/7 self-service command center for all things Zhaoke Bio.
Portal URL: supply.zhaokebio.com
What You Can Do on the Portal:
Order Management:
- Browse real-time inventory for all 120+ catalog products
- Place orders directly with instant availability confirmation
- View order history and reorder with one click
- Track order status from confirmation through QC to shipment
Shipment Tracking:
- Real-time tracking for all your shipments across all carriers
- Temperature monitoring data access (for cold-chain shipments)
- Delivery confirmation and proof of delivery documents
- Shipping cost visibility and invoice reconciliation
Document Library:
- Download CoA, MSDS, and specification sheets for any product — no email request needed
- Access batch-specific documentation by entering batch number
- Download regulatory support files (stability data, GMP statements, etc.)
- Request custom documentation through the portal (submitted directly to our docs team)
Account Management:
- View and download invoices and payment receipts
- Manage shipping addresses and billing preferences
- Update contact information and notification preferences
- View volume discount tier status and annual purchase summary
Notifications & Alerts:
- Email/SMS alerts at key order milestones (shipped, in customs, delivered)
- Low stock alerts for products you purchase regularly
- Reorder reminders based on your historical consumption patterns
- New product launch announcements and market updates
How to Register:
• Visit supply.zhaokebio.com and click “Register”
• Complete the registration form with your company details
• Our team verifies your B2B status within 1 business day
• Login credentials sent to your registered email
• Free access — no subscription fees
Frequently Asked Questions
Emergency Contact — For Urgent Matters Only
For urgent matters only (quality complaints, shipment emergencies):
- Emergency Email: urgent@zhaokebio.com
- Emergency Phone:
+86 198 4267 3490 - Available: 24/7 for key account clients with active emergency support agreement
- Response time: Within 2 hours regardless of time zone
Note: Emergency line is reserved for active clients experiencing urgent product quality or delivery issues. General inquiries should use standard channels.