Jinan Shuangyi Environment Engineering Co., Ltd. (Shunagyi),founded in 1984, with factory and head office in Dezhou city and International department in Jinan city of Shandong province, integrates science and technology, engineering and trade together. Our main products are cooling towers, air ventilators, water tanks & lab facilities.
Shuangyi, honored as "Provincial Contract Trustworthy Enterprise" , has passed the authentication of Switzerland SGS, ISO9001 International Quality System and ISO14001 Environmental Management System certifications.
Shuangyi has solid capital strength, superb technology and advanced management. Our principle is "based on the market, winning with quality, innovation and development".