旋转螺纹接头  制造商、经销商、供应商

Crane Sealing Technology Co., Ltd. has been committed to the research and development and production of rotating transmission fluid solutions; the main products are: rotary joints, swivel joints, rotary ball joints, hydraulic slip rings, hydraulic multi-channel rotary joints/swivel joints, high-pressure hoses Connectors, etc.
Qingdao Crane Sealing Technology Co.,Ltd.
It is widely used in papermaking, rubber, chemical, textile printing and dyeing, iron and steel, metallurgical equipment, wind power generation, construction machinery and other industries. For this purpose, it provides a complete after-sales service system and becomes the best partner for many customers.
Crane's products are used in almost infinitely wide fields, and are most widely applicable to various materials, viscosity, temperature, pressure and speed applications. Rotary seal is a unique and specialized product because it must be able to withstand very high pressure while rotating at very high speeds. To achieve this, it is necessary to make the sealing surface achieve a nearly perfect fit, that is, the seal must be slightly overlapped, and can rotate smoothly and stably and friction is reduced to a minimum, in order to extend the service life and ensure no leakage.

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江亿日气动科技有限公司（始创于1985年）是一家外商投资兴建的高科技型企业，位于杭州湾跨海大桥南岸慈溪市经济开发区，交通便捷，环境优美。
亿日公司总投资超过30000万人民币，每年以2000万人民币的设备及自动化装备投入。现有职工500余人，其中专业技术人员占35%，公司占地43000平方米，建筑面积46000平方米，1999年通过ISO9001：2000国际质量体系认证，多种产品获CE、UL、TUV等认证。并于2010年通过ISO/TS16949体系认证。