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Changzhou thermo-technical instrument general factory was founded in 1957, the first professional manufacturer of thermo-technical instruments in China. SHUANGHUAN brand of series thermo-technical instruments is enjoying high reputation in customers throughout the country. In 2001, enterprise name changed to Changzhou Shuanghuan Thermo-technical Instrument Co., Ltd for transformation of the system of ownership. The company has developed rapidly and steadily for these years. We express our heartfelf gratitude for your permanent support. 1. Long history: The company was founded in 1957, the first professional manufacturer of thermo-technical instruments in China, it is once regarded as symbol of China's thermo-technical instrument industry.
2. Well-known brand: SHUANGHUAN, brand of series thermo-technical instruments, is enjoying high reputation at home and abroad.
3. Great variety: The series covering the fullest specifications and sizes in thermo-technical instrument industry, seven species in brief for measuring flow rate, temperature, pressure and liquid level, and 15 thousand specifications in detalis. Among those, varible area flowmeter with glass or meatal metering cone and bimetal thermometer are the most reputable in the industry all over the world.
4. Unique property: The company in the only permissive manufacturer in China who has imported proprietary technology and equipments to produce variable area flowmeter with galss metering cone of series GA24, DK800 and VA/FA/SA10/20/30/40. The rights of models, specifications and appearances are all solely owned by our company, any other companies are not allowed to pirate.
5. Outstanding achievement: In 1984, SHUANGHUAN brand flowmeter with glass metering cone is rewarded with National Silver Medal by the National Quality Prize Examine and Approve Committee. This is the highest honor for instruments manufactures in China till now.
In DEC, 1990, Ministry of Electronics Industry awarded SHUANGHUAN brand WSS industry bimetal thermometer Quality Product Prize.
On May, 24th, 1991, Premier Lipeng has issued a Citation, highly praising the contribution the SHUANGHUAN brand thermal meter made to the National key project---"Beijing plus-minus electron collisioner".
We are a Director unit of China Flux Instruments Professional Association and China Temperature Instruments Professional Association; Jiangsu Province Quality Engineering Supervision Gas Flow Measurement Station locates in our company.
Our company is appointed as the producer of temperature instruments for the national war industry.
6. Sincere service: Equipped with ISO9001: 2000 quality management system and sales and sales service system, the company is selling the products not only to 26 provinces in China but also to more than 30 countries and areas in the world.
Our products use the best material and advanced manufacturing technique. Every finished product have to inspect. The regular type of product is in stock and have the most efficient delivery time. Annual max. Production capacity is 200 thousands sets. The normal delivery time after ordered is 7 workdays.
Each product has finish inspect. We ask our supplier provide test report of raw material, each electrical element has to be detected, so every finished product has factory test report and data record. We introduced special technique and equipment from KROHNE in Germany, 228 sets fabrication and gauging equipment to calibrate the flowmeter, and also NCM, milling machine, grinding machine from Japan to ensure the accuracy of the spare part. Self-production proportion of spare part up to 90%.
Capability of product research and development: Every series product team is consist of a senior engineer and several technical engineers. When we receive the technical request different to exist product, we can customize the product by technical drawing or customize according to the sample. The sampling period is 20 workdays.