啊啊啊啊啊好爽视频_JAPANESE强迫第一次_久久桃花_中国免费一级毛片_免费无码肉片在线观看_欧美牲交a欧美牲交aⅴ一

Zhejiang Yist Valve Co., LTD., formerly known as Ruian Dongfang Valve Co., LTD., was founded in April 1993 with a registered capital of 11 million yuan. After more than 20 years of experience, adhering to the enterprise spirit of "strive for innovation and forge ahead", we have won the trust and praise of our customers, partners and peers. Now it has a number of national invention patents, dozens of utility model and design patents. It is a small and medium-sized enterprise of science and technology in Zhejiang Province and an innovative enterprise of science and technology in Wenzhou, and one of its products has been listed in the science and technology plan project. The company has an excellent scientific research team, actively committed to the transformation of scientific research results and the development of new products, the introduction of domestic and foreign advanced technology, in order to adapt to the ever-changing market demand, the company has a 200M2 industry valve laboratory. Our company is a collection of scientific research, production, economic and trade in one of the modern science and technology enterprises, is specialized in the production of environmental sanitation machinery supporting products of one of the leading enterprises, the production and management of more than 20 series of nearly four thousand kinds of specifications "Eist" brand of various ball valves, solenoid valves, pneumatic cut-off valves, electric regulating valves and complete sets of industrial automation instruments. Strong technical force, good equipment, stable product quality, complete varieties, and in the automation valve industry to take the lead in the quality of three guarantees!

In the increasingly fierce market competition at home and abroad, our company gives full play to its own advantages, as always to "science and technology guide, create first-class products; Integrity-based, provide quality service "business philosophy, constantly develop new products, improve product quality, perfect after-sales service system, and strive to provide users with high-quality all-round service.