سدادة دوارة  شركات مصنعة، تجار، موردون، مزودو خدمات

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.

The HAAG + ZEISSLER philosophy: High quality
We regard ourselves as a manufacturer of high-grade, first-class products. Our rotary joints and swivel joints are manufactured for you on site with the latest CNC machines.
Speed
Our storage capacity with over 10,000 individual parts in stock speaks for itself and sets us apart from our competitors. In the normal case we reliably dispatch parts within 24 hours if they are in stock.
Individuality
Individual adjustments to our products are not a problem for us, but rather a challenge that we have mastered for over 35 years day by day. Just ask us.