Fixed tube sheet heat-exchanger

Heat Exchanger


OKAWARA Sludge dryer

  • Small clearances between the lifters and shell interior promote the mixing of product without stagnation
  • Low emission gases save energy and heat loss.
  • Installation space are small due to large heating area per unit size.


About Tonghua

Shanghai Tonghua Stainless Steel Pressure Vessel Engineering Co., Ltd (abbreviated :Shanghai Tonghua) founded in 1997, with 80% of the shares held by the Shanghai Jiao Yun (Group) Company as well as 20% held by natural individual, is a tec-based enterprise foucsing on the stainless steel pressure vessel, Heat exchangers, storage tank, Reactor, Tower, Panel water tanks and other kinds of non-standard product integrating manufacture ,design and sales of related kits . Since the inception in 1997, holding the spirit “Intentions to do best in everything, customer satisfaction is our ultimate objective”, we are dedicated to develope the new products to meet the market’s needs, which are widely used in chemical, food and pharmaceutical industry and also in architecture fields. As the Quality of products and services has obtained consistent approval by overseas and local client, Shanghai Tonghua has become one of the most well-known enterprises in the field of stainless steel equipment. Shanghai Tonghua also has invested much on the manufacturing and testing equipment, such as TIG welding machine from Japan Panasonic; MIG welding machine from American MILLER; PLASMA Cutting machine from MESSER, PMI from NITON,etc. With good technical teams, fine equipments, advanced manufacturing procedure and complete test means, Shanghai Tonghua has won a wide market and a good reputation. Shanghai Tonghua has awarded A2 Design & Manufacture licence, ASME “U” stamp and ISO9001 certificate, and got rich experience in designing &manufacturing pressure vessels with PED 97/23/EC. Through cooperations and technical communications with foreign clients , Shanghai Tonghua has learned and developed more in producing high quality products for clients continuously.

Moreover,Shanghai Tonghua spent a lot on R&D of the stainless steel panel tanks. Cooperating with one of the well_known domestic steel companies, Shanghai Tonghua has popularized the more environmental material high-pure ferrite stainless steel SUS444 in the application of city water storage tanks. Even more ,Shanghai Tonghua has also been certificated as the qualified supplier of water tanks for China Pavilion of Expo 2010. With the development of the company, Shanghai Tonghua will contribute much more products and better service to our clients and society.