شیر کنترل  تولیدکنندگان، عرضه‌کنندگان، توزیع‌کنندگان

این شرکت در سال ۱۹۵۹ تاسیس شد و مقر آن در توکیو ژاپن است. در ابتدا SMC شرکتی بود که به طور عمده عناصر فیلتر "فیلتر صنعتی فلز سینتر" را توسط متالورژی پودر تولید می کرد و پس از چندین دهه تلاش و نوآوری مداوم ، محصولات SMC به تدریج غنی شده و با تکیه بر کیفیت عالی ، کاربران بی شماری را به خود جلب کرده است. امروز ، SMC به یک رهبر جهانی در صنعت پنوماتیک تبدیل شده است. نام اولیه این شرکت "SMC" (به معنی "شرکت فلزی سینتر شده") به دلیل سالها شهرت در جهان مورد استفاده قرار گرفته است و به یک نام جهانی یکپارچه تبدیل شده است.

Kangsaite Automation Group Co., Ltd. (KST) was Founded in 1997, is a high-tech group enterprise integrating R&D, manufacturing and sales. The Group has more than 300 employees, including more than 120 college graduates.
KST has four business divisions including control valves, sanitary valves, actuators and general valves and accessories, it has a strong R&D center with technical and talent team, which is jointly established by the Group and the Beijing University of Aeronautics and Astronautics(BUAA). The R&D team has 5 Professors, 20 Masters and Doctors, and 30 middle-level professional and technical personnel.And has two manufacturing bases in Xuancheng, Anhui and Wenzhou, Zhejiang. It has 50,000 square meters of production plants, and has several standard production lines including roughing, finishing and assembly. More than 300 sets of advanced equipment in the production plants which can produce 300,000 sets of various types of valves. It can develop and produce control valves (such as diaphragm regulating valves, pneumatic valves, electric valves, etc.), sanitary valves (such as angle seat valves, diaphragm valves, antibiotic valves, etc.),actuators (pneumatic actuators, electric actuators), general valves and accessories (such as ball valves, butterfly valves, positioners, solenoid valves, limit switch, etc.) and other products.
KST products are widely exported to more than 60 countries and regions around the world, and have been unanimously recognized and praised by clients in terms of cost performance, quality and service.
In 2010, KST was rated as a high-tech enterprise in Zhejiang Province and a key research unit in the national valve industry. Up to now, KST has more than 30 patents, including 10 invention patents and 20 utility model patents, and was awarded the title of “patent demonstration enterprise” by the government.
KST has passed a number of quality system certificates, such as DNV ISO9001 quality management system certification, CE, FDA, SIL and TS special equipment manufacturing licenses.
Adhering to the quality-oriented, customer-first business policy and service concept, KST will continue to provide customers with cost-effective products and perfect service.