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Dujiangyan Ningjiang Zonghui Precision Small-Sized Worm Co., Ltd.
Dujiangyan Ningjiang Zonghui Precision Small-Sized Worm Co., Ltd. is a processing factory specialized in nonlinear helical tooth flank type of precision small-sized worms produced by internationally advanced milling method, and a wide variety of precision gears. General machining accuracy is up to Grade 6 of GB/T10227-1988, Grade 8-10 of AGMA and below Grade 9 of DIN Standard.

Our company is highly qualified in the field due to our technical team composed of some national class experts, even including one with more than 50 years of experience, and due to some world class machining equipment such as Swiss licensed CNC worm milling machines, CNC horizontal gear hobbing machines and CNC lathes, as well as inspection instruments such as the US Gleason MM7 gear measuring center, German Klingelnberg gear measuring machine, worm helix tester, and gear composite error tester. Our annual production capacity can reach 10 million pieces.

Our products are served in wide fields which need worm transmission systems and worm screws, such as:

Automobile component industry, such as worm shafts used in power windows & doors, seat adjusters, wipers, power rearview mirrors, and central locking systems

Medical appliances industry, such as hospital lift beds & chairs, and medical screws

Underground train, transmission system of power doors

Other industries such as instrument & meter industry, spectacles industry, home appliance industry, mini special motor industry, and power house door and window industry.

Our business is global-oriented and our company has already built business relationships with some world well-known companies, including:
Johnson Electric
Siemens VDO
Delphi Shanghai
Beijing Benz-Daimler Chrysler Project

Our company is one of the subsidiaries of Ningjiang Machine Tool Group Co., Ltd. which is well-known for its strong developing and manufacturing capabilities of precision machine tools. With the support of Ningjiang's mature production and quality control system, our company has successfully passed ISO/TS16949 Quality Management System Certification and persists in the implementation of practices required by the system through whole processes from product developing, production to customer service.

Our company is located in Dujiangyan City -- one of the National Scenic Spots and World Cultural Heritages. The profound natural and culture atmosphere gives our company connatural advantages for attracting talented people and inspiring creative profession. Ningjiang Zonghui hopes to create and share a promising future with all friends from all over the world.

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Contact Details

Contact person:Callia Zhu

Country:China (Mainland)



Street address: Science and Technology Development Zone, Dujiangyan City




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