How Do Lanlang Choose Raw Material Supplier?

- Apr 11, 2019-

How do Lanlang Choose raw material supplier of ion exchange resin?


1. We choose supplier who has strict Quality Control system, and who could supply full set of test report.

Ion exchange resin supplier 1

2. With raw materials from these suppliers, our ion exchange resin passed the NSF/ANSI61 standard.

WQA-1


3. we sign “Do Not Change Formulation or Suppliers agreement” with raw material suppliers, to keep the quality being stable.

cation exchange resin 1