在线 亚洲 制服 日韩_日本乱伦中文自拍_久久精品国产亚洲a∨_午夜免费视频国产高清视频_免费国产高清在线精_亚洲欧美手机在线_夜夜嗨av麻豆精品_黄色电影天堂网站_少妇挑战黑人高潮惨叫_CHINESE熟女老女人HD视

Good product quality depends on quality raw materials and fine production management.
We have established our independent quality super vision and inspection department, which is in charge of acceptance inspection of raw material, super vision of process quality and quality inspection of finished product respectively. Our central laboratory has been developed into a test analysis institution enjoying professional technical talents and modern equipment and instruments. The equipment includes a lot of advanced test equipment such as salt spray test chamber, muffle furnace, moisture analyzer, spectrophotometer, conductivity meter, elastic impact tester, electronic universal testing machine, coating thickness gauge, MEK solvent resistant wiping instrument and coating adhesion meter. The Company is able to test various performances of galvanized and color coated finished products during production with our advanced testing instrument and skilled analyst, so as to ensure reliable and standard inspection result.