91精品国产品国语在线不卡_久久久中文久久久无码_国产aⅤ无码精品一区二区三区_欧美久久久久精品三级

Recently, according to the market demand and feedback, the technical department of our company developed a safety cabinet for storing corrosive …

　　At the beginning of 2019, Wuxi Plastic Art Technology welcomed more than 70 teachers and students from Wuxi Taihu University majoring in industria…

Blister packaging products is the inside of the packaging category, currently on the market of the common products are: daily necessities blister pack…

Vacuum forming can be divided into vacuum forming and compressed air forming. Compressed air forming is an upgraded version of vacuum forming with imp…

The density of plastic is small, compared with the strength is high, can obtain the higher packing rate, namely "unit mass packing volume or packing a…

With the rapid development of transportation network, the demand for passenger cars is increasing, and the requirements for safety and comfort of pass…