刘备站着板凳上曹孙尚香_9a91麻沈芯语传媒_无码av高潮抽搐流白浆_成人快手下载_国产野模私拍在线视频_超碰国产精品久久_亚洲日本在线观看欧美_玩弄三个高大的熟妇赶尸艳谈_办公室超短裙秘书啪啪_又爽又黄又刺激无遮挡在线看

Customized

High quality metal parts and metal forming solutions provider

culture

Quality inspection process

Size check: check its length, width, thickness and other parameters. Tensile test: test material strength, toughness and elongation at break and other key parameters. Hardness test: Determine the mechanical strength and wear resistance of the material

1. Incoming material inspection

Contact information

17775124928

Jinggong Industrial Park, Tangcun Town, Jiahe County, Chenzhou City, Hunan Province, China

WeChat

Copyright ? 2023 Jiahe Precision Forging casting Co., LTDICP:湘ICP備2023020428號-1Support :