In 2010，we have got the certifications of ISO9001& ISO14001 issued by B.V. We made theprocedures of R & D, production, quality control, sales and continuous improvement. Each link is under control.
We have drawn up the enterprise productsstandards and set up advanced proof-test means and facilities for raw materials and finished products. We perform strict tests for each batch of the production. We retain samples of each batch for at least 1 year.