Cangzhou Jiansheng Building Waterproof Material Co.,Ltd
Life Partner of Your Roof, Protect Your House From Inside to Outside
Quality control contains: Raw material quality control, Producing processing quality control, Laboratory testing.
Raw material quality control: It is important to select qualified suppliers. Enterprises should control the supplier's qualifications, quality assurance capabilities, product quality, and services, establish files, and evaluate them regularly. Second: Check the technical datas of the main raw materials.
Producing processing quality control: Processing directly affect quality, performance, function, life, reliability, etc. of the finished product in the process of product formation.
Laboratory Testing: After producing, inspector should test the tensile strength, elongation, tear strength, and so on to check if it meets the test standard.
