Haiyan General Mechanical Co., Ltd.

Our company is a private hi-tech enterprise in machinery making and hardware tools industry. We have passed the attestation of ISO-9002 quality system. Meanwhile, we are the appointed enterprise of Shanghai No.2 Knitting Machinery Share Co., Ltd. and North Korea DSI Corp.

Our company has nearly 100 sets of processing equipment, such as lathe, pincer, plane, mill, grinding and heat treatment. We have a team of workers with rich practice experience.

Our main products are as follows: 12.5mm(1/2"), 20mm(3/4"), 25.4mm(1") series manual sleeve wrenches, (1/2") sleeve wrenches with 9 pieces, 10 pieces, 13 pieces, 17 pieces, 24 pieces, 28 pieces, and 32 pieces, 20mm series, (3/4") series sleeve wrenches with 9 pieces, 15 pieces, 21 pieces, and 26 pieces, 27 pieces in metric system and Britain system, 25.4mm (1") series sleeve wrenches 21 pieces and other tools. Our products sell well far to America, Australia, Britain, and Southeast Asia, over 20 countries and regions. Making according buyer's sample and brand are available.

Chemical fiber filature machines, cotton spin machines, DSI auto-packing machines and attachments have 1200 varieties. Our company also has various electromotion cutting threading machines, chuck and attachments, CPM pipe roll groove machines and other pipe tools.

Any machinery making and processing business and hardware tools making are welcomed! We sincerely welcome all customers, at home and abroad, to visit and cooperate with us!

Business Type



www.hytongyong.com.cn ; www.generalmechanical.com.cn ; www.sinogeneral.com

Establish Year


Major markets

North America; South America; Eastern Europe; Southeast Asia; Africa; Oceania; Mid East; Eastern Asia; Western Europe;

OEM/ODM service


Number of employees

100 - 200

Legal representative

for premium members only

Business addresss

Baibu Town

auto tool set 21pcs
Product Name

auto tool set 21pcs

Product Name

26pcs socket set

Product Name

9pcs hand tool set

Product Name

Socket Set 26pcs

Product Name

Hand Tool


www.hytongyong.com.cn ; www.generalmechanical.com.cn ; www.sinogeneral.com

Contact person

Ms. Rachael Zhuang




Baibu Town





Postal code