Shanghai Hai Hua Sensor Co., Ltd is a technology industrial company dealing with design、manufacture and sales. Hai Hua was established in 1994 and the cadre which covers 14000 m3 located in Ma Lu industry Zone of Jia Ding, Shanghai. The area of the current workshop is 4800 m3 while the second one which covers 7000 m3 is being constructed. There are also 100 employees in this company and 20% of the amount is technicians. Now the output of the sensor per year is around 1 million pieces and the sales reaches twenty thousand RMB. The company is powerful enough to ensure the ability of product exploitation and quality. The company has developed steadily for a period of time depending on modernistic workshop、perfect facilities、abundant technology、district quality ensurence and nice after-sales service. Hai Hua has passed the ISO9002 system in 1998 and QS9000 VDA6. 1and ISO9000（2000）in 2002. It has been elected as superior enterprise of the district or city for several times from the very ...[More]nning of its establishment. And the bureau of Industry and Commerce also regarded it as free of inspection enterprise from 2001 to 2003. Recently Hai Hua is authorized model unit of 2002.

The company will reward all the people from various circles which gave them strongly support with top-ranking technology、perfect products、reasonable price and effective services.

The main products of the company are as following:
1. level sensor、temperature sensor、thermo regulator、pressure sensor、
electromagnetic valve
2. intellectualized security controlling system for both single tenement and office building、the software system of web-platform which is linked up to the police from the residential quarters.
The important clients of Hai Hua are including Shanghai Volswegen、Shanghai GM、Motorola、Yong Hong automobile components Co.,LTD and Shanghai MANN+HUMMEL Filter Co., LTD.