Dude Machinery (Shanghai) Co., Ltd, founded in 1998, is a professional manufacturer of hydraulic tools under the brand name KENNER, with its sales headquarter in Shanghai and two sub-branch factories in Jiangsu Province and Anhui Province, China . We have been in this field for over ten years. Our main products are hydraulic wrenches, cylinders, hand pumps, hydraulic pullers, bolt tensioners, nut splitters, flange spreaders and hydraulic hose etc.They have been widely applied to different areas, such as manufacturing, construction, oil & gas, shipbuilding, tail roads, mining and metallurgy. These tools can help to solve the complicated problems in a safe and simple way.

In the year 2010, we have developed a new series of products. They are mainly electric & pneumatic torque wrenches, and manual force multipliers. We name it as DOUTEC. These tools aims at solve the difficulties on bolting for customers.

We fully own the two brands KENNER & DOUTEC, and we are striving to make our brands well known globally. However, we would also like to do OEM for customers. Presently our products are being sold to clients from domestic market as well as many other countries in Asia,Europe,South America, & Oceania.

We have an excellent engineer team, so we are not only limited on the standard products, but also customize non-standard tools as per customers' special work conditions. And we also devote great effort to improve our products year after year. We are alway persuing "Better" on quality & function.

Besides, we always take 'All Lines of Products with All-round Service' as our belief. With the thought of 'Customer First' we not only supply high-quality products, but also try to offer the best and swiftest after-sale service. We are keeping our progress to produce top-quality tools which can be fit for all industrial applications. They are wining more and more reputations from our customers around the world.