Title: Hunan Tyen Machinery Co., Ltd. Description: With the total asset of USD38,750,000 and a staff of over 1,800, among whom 586 are experts and technicians. The corporation covers an area of 610,000 square meters in gross,and 70,000 of which are workshops. Tags: Turbochargers engine valves Category: Hunan URL: http://www.tyen.com.cn