激情五月亚洲综合图区_中文字幕人妻少妇引诱隔壁 _国产成人精品一区二区三区无码 _国产高清在线在线视频_亚州AV无码乱码色情_国产一区二区三区日韩精品_国产亚洲精品a在线观看下载_九九99热久久精品在线6_亚洲国产福利一区二区三区_日日摸夜夜添无码无码AV

Zhejiang Hatehui Technology Co., Ltd is located in China's standard parts production base-Zhejiang Haiyan. It is a professional mechanical hardware manufacturer with self-export rights. Hatehui has developed two series of products with years of attention and research on mechanical hardware：

Fasteners: The company produces and sells all kinds of German standard (DIN), American standard (ANSI), British standard (BS), Japanese standard (JIS) and non-standard fasteners, hydraulic accessories and ductile castings, etc., and our main products (outer hexagon bolts, inner hexagon bolts, flange bolts, carriage bolts, steel structure bolts, etc.) The specification diameter ranges from 5mm to 70mm (1/4"-2 1/2"), and the length ranges from 6mm to 800mm (1/4" —32”). Grade: 4.8-12.9. (American-made 2-10). Special products such as high-strength bolts and red bolts are favored by foreign customers. In 2005, our company has successfully passed the ISO9001 quality system certification.

Stamping parts: Hatehui established Yihan communication technology (Zhejiang) Co., Ltd. in 2020, and invested in stamping parts factory to produce stamping parts in 5g communication technology industry, solar photovoltaic industry and other fields.