www国产亚洲精品,大地资源国精产品视频,欧美性猛交xxxx免费看,少妇大叫好爽受不了午夜视频

Mobile Phone
Innovation

Scientific and Technological Achievements

2014

Shandong Province Technology Innovation Project

Development of para aramid prepreg resin system for bulletproof use

2014

Key R&D Plan Project in Yantai City

Development of Technology for Bulletproof Parapet Fabric

2015

Shandong Provincial Science and Technology Development Plan Project

Preparation Technology of Domestic Para Aramid Weft Free Fabric for Bulletproof Use


2018

Key R&D Plan of Yantai City (Military Civil Integration)

Research on the Application Technology of Domestic High Performance Para Aramid and Its Fabrics in Bulletproof and Stab Proof Functional Clothing