Environment OTT Technology Development Co., Ltd. Is the nuclear industry with the Industries Limited located in Qingdao's foreign trade companies, is the group's foreign trade institutions, the company is part of the Shandong Provincial Office of the National Defense "conversion" high science and technology enterprises, and companies existing staff of 800 people, 120 million yuan of assets. Under five subsidiaries and four production bases, located in Yantai Fukuyama high-tech areas, Qixia City, Matsuyama zone Qixia City and Bangkok, Thailand, covers 140, 000 square meters, with 50, 000 square meters plant.

Separation machinery company primarily engaged in the development, manufacture, sales, the main products are: DU series rubber belt vacuum filter, TC series of precision ceramic vacuum filter, LXD series of automatic continuous discharging centrifuge, MS Series desulfurization vacuum filter, CF Series dynamic filter, PBF consecutive series of vacuum belt filter, DZY, DY series of belt filter, precision pipe filters, inverter, soft-start, the rubber dam, the high and low voltage control cabinet, which are widely used industry, chemical industry, metallurgy, mining, electricity, food, pharmaceutical, environmental protection and other fields, accounting for up to 70% of the China market and exported to Southeast Asia and Europe and other countries and regions. In 2005 the company built the world's only professional belt filter production line, has become Asia's largest vacuum filter of the manufacturing enterprises, belt filter output ranked first in the world.

The company's operating philosophy is: Unity, integrity, pragmatic and innovative.