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Quality Control Process
Analysis and testing raw materials and auxiliary materials before purchasing, toxic substance testing,on the spot investigation on manufacturers of raw materials,record keeping,purchasing from given suppliers and testing on each batch of products for production of auxilary materials.
Re-testing for the main indexes after previous steps.

Packing and Mark
sometimes can make it as customer requirements, if customer need to establish his own name.

lz@lzchems.com
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