国产女主播一区二区二,久久热在线视频观看,热re91久久精品国产99热,日韩精品一区二区三区四区蜜桃,一区二区三区激情,99精品欧美一区二区三区综合在线,午夜想想爱,国产亚洲午夜高清国产拍精品,人人艹碰,久久99国产精品

Welcome to Luoyang Beiyuan Advanced Materials Technology Co.,Ltd
China
Graphite crucible
Release time:2025-02-25 Source:Luoyang Beiyuan New Material Technology Co., Ltd

The Beiyuan graphite crucible is made of special high-purity, high-strength, and high-density graphite material; Excellent technicians; High precision processing equipment can provide customers with high-performance molds for graphite melting crucibles, casting crucibles, graphite oil tanks, pulling tubes, pulling pieces, and pulling rods. The selected specialized material can increase the durability of our graphite crucible products by more than twice compared to ordinary material products, with a longer service life and the ability to withstand high temperatures of 1800 ° C.

Previous article
Next article