67194成人丨欧美成人h亚洲综合在线观看丨天堂网av2018丨国产免费乱淫av丨欧美jizz18丨天天天天做夜夜夜夜做无码丨荷兰av丨www.com国产丨西西人体大胆无码视频丨欧美亚洲自偷自拍 在线丨tube极品少妇videos丨亚洲天堂三区丨97人妻无码一区二区精品免费丨亚洲人成网站在线播放2020丨少妇性bbb搡bbb爽爽爽丨高中国产开嫩苞实拍视频在线观看丨狠狠噜天天噜日日噜视频跳一跳丨欧美专区综合丨午夜成人无码福利免费视频丨6080yy午夜一二三区久久

Deyou Rubber Belt has three laboratories: raw material and formula laboratory, product development and application laboratory, and quality laboratory.

The main responsibilities of raw materials and formulation laboratory are to select raw materials (glue, base material, separating film), control their performance and quality, and provide qualified and stable raw materials for product development projects; to develop product formulations, EVT as the initial brush selection, and to provide 1-2 reliable and competitive formulations for pilot production of DVT.

The main responsibility of the product development and application laboratory is to use the product formula recommended by the raw material and formula laboratory to conduct DVT and PVT trial production on the actual production line, to evaluate the quality stability of its production performance; and to design reasonable test methods to evaluate the performance of products, to provide detailed and complete test data to the raw material formula laboratory and the factory quality laboratory, to raw materials. The formulation laboratory provides the basis for formulation improvement, or provides the quality laboratory with product specifications for mass production; and designs and customizes application tests according to customer needs to help customers predict the performance of products in customer project applications in advance, so as to provide recommendations.