Yes, we have. We have set up our quality system and well controlled our production quality as per the instructions and requirements in it and well-control each procedure throughout the mass-production.
①To ensure the material component follows the ASTM standard, D&D use spectrometer to check the stainless steel raw material before production.
②D&D use measuring tools to check the product in each procedure throughout the mass-production to ensure the dimension of product meet customer’s requirement.
③ D&D arrange Quality control department in each step of the mass-production to ensure each production fulfill their duty to produce well-product.
④D&D use salt spray testing machine to test the product, to ensure it meet specific corrosion-resistance requirement.
⑤ D&D test products on testing machine very often to ensure products meeting CE / UL / ANSI standard.
⑥ D&D use 2D and 3D drawing to communicate with customer, which is clearly and accurately.