Upang matiyak ang kaligtasan at maaasahang kalidad ng proseso ng produksyon, we have perfect operation process and operation procedures, and strictly follow the production process. Our products and services have passed the ISO9001 quality system international certification.
Ng xinhecheng|2019-12-09T15:59:06+08:00February 28th, 2016|quality|Comments Off sa What is the guarantee of product quality?