99热超碰丨白嫩丰满少妇xxxxx性张津瑜丨国产又粗又爽又黄丨国产山村乱淫老妇av色播丨久久久久久免费丨久久久久不卡丨亚洲欧美成人久久一区丨在线看片福利无码网址丨97人摸人人澡人人人超碰丨男人边吃奶边做好爽免费视频丨天堂网亚洲丨av黄色av丨国产女人18毛片18精品丨欧洲美熟女乱又伦av丨国产jk白丝av在线播放丨国产尤物在线视频丨国产97视频人人做人人爱丨欧美少妇一区丨www一级片丨a级片免费视频丨a级黄色毛片丨美女av影院丨朝鲜女人大白屁股ass孕交丨国产福利免费观看丨国产精品久久久区三区天天噜

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.