About Us - Slip Ring Manufacturer Grand Technology

Welcome to Grand Slipring

Hangzhou Grand Technology Co., Ltd. started as a special slip ring manufacturer since 2011. Grown into slip rings, rotary joints and slip ring assembly experts of today with 6,000 square meter manufacture complex.

We obtained ISO9001, Rosh, CE, GJB9001B certificates a number of slip ring, rotary joint patents and proud of our products can meet military grade.

We also collaborated with universities, institutes and renowned factories across Asia and Europe include Panasonic, SIEMENS, CSIC, SAMSUNG, HUAWEI etc.

Slip Rings Get a Quote

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🔒Get a quick response to your questions or requests by filling out our easy-to-use inquiry form.

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Nail Li

CEO & Founder

Innovative Products and Service for world's most challenging rotary applications

R&D Center

We have more than 50 national patents.
Under 3 R&D centers support, a live, rich experience person can response your requests when you reach out to us regarding slip ring, rotary union, slip ring assembly.

rotary joint drawing

rotary joint drawing

slip ring drawing office

slip ring R&D

slip ring office

Testing Center

SOP Operation specification, dust-free test laboratory.
Perfect conventional test equipment, also includes high and low temperature devices, salt spray devices, impact devices and vibration devices.

For detailed information and personalized service, submit your inquiry using the form below.

slip ring salt spray testing

slip ring working life test

high and low temperature testing

slip ring vibration devices

fiber optic rotary joint produce

Factory workshop

Hundreds of skilled workers can do the flexibility and variety of tasks.
And thanks to invest in automation to increase our productivity, repeatability, quality and shorter the lead time.

Certifications and Patents

We work with our partners to provide project perfection, join with our partnership