**电影未删减完整版免费,日本少妇寂寞少妇aaa,制服丝袜一区,追猎完整版未删减mp4在线观看,99亚洲视频,欧美城天堂网,aⅴ综合

Technology Introduction

Micro-foaming technology

A thermosetting material, an insert embedded, a high-fine-size and an excellent-performance product, excellent product performance and a strong application in the replacement of a plastic-substituted steel part;

Gas-assisted molding technology

Compressed air, nitrogen, carbon dioxide and other media are used to realize low speed or high speed gas assisted molding technology to fill the whole or local gas of the product, and to realize the excellent structure and performance of the product. The gas-assisted injection molding method can be realized by full injection method and semi-injection method.