Joye Machinery Technology (Shanghai) Co. Ltd, is a professional supplier of industrial assembling and maintenance tools, with its sales headquarter in Shanghai and factory in Zhejiang, China. Our products are branded " DUPLEX ". We have been in this field for over ten years.

We began with hydraulic tools when first founded. The main products are hydraulic wrenches, cylinders, hand pumps, hydraulic pullers, bolt stretchers, nut splitters, and flange spreaders etc.

Later on, we have developed a new series of products, which focus on bolting solution. We call them torque tools. They are mainly electric & pneumatic torque wrenches, hydraulic torque wrenches, cordless battery torque wrenches, as well as manual force multipliers.

These tools can be widely applied to different fields, such as manufacturing, construction, oil & gas, shipbuilding, railways, mining and metallurgy. They can help to solve the complicated problems in a safe and simple way.

We have been striving to make our own brand" DUPLEX " well known globally. However, we'd also like to do OEM for customers. Presently our products are being sold to many clients from domestic market as well as other countries in Asia, Europe, South America, Oceania & Africa ect.

We have an excellent team. We not only supply high-quality products, but also try to offer the professional, fast and considerate after-sale service. We have been keeping our progress to produce top-quality tools which can be fit for all industrial applications. They now are wining more and more reputations from our customers home and abroad.

Sincerely invite you to join us. We will be honored to work together with you like family members.