Shanghai OTT Electrical Co., Ltd (shorted for OTT, Overseas Technology Trading), located at Pudong District in Shanghai-window of China's reform and opening, established in May 2000, specializes in manufacturing storage water heater(Electric Storage Water Heater, Gas Storage Water Heater, Air-source heat pump). It holds the managing concept of “basing on human, being powered by science and technology, considering quality as life and developing with innovation”. With the advanced automatic Euro-American production line and intelligent network management system, it could ensure the excellent quality of its products through the synchronous product design, technology development and the strict quality control with Euro-American countries .OTT provides OEM & ODM service for all products, including electric storage water heater; gas storage water heater and storage heat exchange tank, air-source heat Pump etc.

From the very beginning, OTT has been actively practicing the International Quality/Environment System based on ISO9001 and ISO14001, and thoroughly carrying out the quality policy of “continuously improve the quality of products and services to satisfy the customer's demands and expectations in a better way”. Focusing on the customer, it provides good products and service to keep the customer satisfied. Meanwhile, maintaining an attitude of “We do care for our earth!”, OTT implements clean producing actively and control pollution from product design and development to materials choosing and purchase, to production control, to packing, to transport and to final deserting.

In April 2003, OTT was successfully certified as meeting the requirements of ISO9001 and ISO14001 International Quality/Environment System of SGS Company in Switzerland, and got UKAS authentication certificate of the UK.

OTT will continue the way of industrialization, pluralism, science and technology to execute long-term trademark strategy, and create more value for customers, enterprises and the society by excellent products and professional services.