Established in 1999, Beijing Cheng-Cheng Weiye Science & Technology Co., Ltd. is a professional manufacturer specializing in ultrasonic transducers, ultrasonic apparatuses and piezoelectric ceramic. Especially, in 2004, we had researched and developed a new product - ultrasonic tubular transducer, which turns the extreme inconvenience brought by pipeline and vacuum cleaning into an easy task for good. This product has been widely used in distillation, mix and mill in chemical procedures and has got lots of credit from our customers. Our headquarters is located in Beijing, China. Our manufacture base is in Baoding, Hebei Province. We also have two branches in Shenzhen and Zhangjiagang respectively in China and two sales agents in Japan and the USA respectively. At present, there are five departments in our company, including R&D Dept., Industrial Dept., Domestic Sale Dept., Export Dept. and After-Sales Service Dept.We have close cooperation with the Acoustics Institute of China Science Academy and work together with many experts who are famous in ultrasonic industry in China. We are in possession of advanced inspect equipment of power ultrasonic, and have the R&D capability in the field of ultrasonic with a laboratory of more than two hundred square meters.All of our products are manufactured according to the standard of ISO9001:2000 and the quality can be guaranteed. In 2006, we attained the certification of RoHS. Each year, more than 7% of our annual turnover is invested in our R&D projects that make our products better and better. Backed by this strong technical capability, we can serve our worldwide customers with high quality products, superior service, technical support and OEM service at very reasonable prices. The goal of Cheng-Cheng Weiye is to become a professional internationally renowned company and make the "Cheng-Cheng Weiye" brand a household name in ultrasonic industry.