Joint venture B-Tohin Machine Co., Ltd. was established in Nov. 1994, located in the famous hometown of China Yixing Industrial Park for Environmental Science & Technology, it covers an area of 50, 000 square meters with building area of 13, 000 square meters. Its total investment is 366 million Yen. In the company, there are more than 200 employees, including 36 technicians. It has 6 domestic cooperation groups and many foreign cooperation groups. In 1999, cooperated with TUTHILL CORPORATION /PNEUMATICS GROUP, it established a joint venture named TUTHILL AND TOHIN MACHINE Co., Ltd. specialized in the production of BK blower by taking American technology.

Now annual production capacity of our company has reached up to 8, 000 units (sets) of blowers and other products with an annual output value of RMB 100 million, including 1000 units of exported blowers with an output value of 12 million.

Based on environmental protection industry, the company is dedicated to the technical innovation and transformation of the Roots Blower and upgrade to improve the combination property of the local blower so as to make a contribution to upgrade the level of environmental protection equipment in the fields of water treatment, dust elimination and airflow convey etc. The plant is equipped with three-lobes roots Blower automatic checking system of first class at home.