1. Clear technical parameters
-Sulfate type
-Purity level
-Physical indicators
-Chemical indicators
2. Usage Description
-Industrial applications
-Research purposes
3 Regulations and Standards
-Compliant with national standards (GB), international standards (ISO), or customer specified standards
-Special requirements

1. Formula and Process Design
-Select synthesis route according to requirements
-Customized additives or modified treatments
2. samples provided
-Small trial sample
-Sample testing report
3. Contract Signing
-Clearly define delivery time, price, and payment method
-Acceptance criteria

1. Raw material procurement and inspection
-Raw material traceability
-Factory inspection
2 Production process
-Reaction condition monitoring
-Intermediate detection
3 Environmental Protection and Safety
-Waste gas/wastewater treatment
-Explosion proof measures

1 Testing items
-Main content
-Impurities
-Physical performance
2. Sample retention management
-Retain batch samples for at least 1 year

1. Customized packaging
-25kg woven bag
-Ton bag or vacuum packaging
-Tag information
2. Logistics
-Dangerous goods transportation
-Temperature controlled transportation

1 Technical support
-Provide MSDS
-Application problem consultation
2 Complaint Handling
-Response within 48 hours for quality issues
-Return and exchange process