Title: Baoding Dong Ding Trade Co.,Ltd. Description: which is a professional manufacturer and exporter specializing in various flanges and such related products as valves, elbows and bellows. Founded in 1993, we now possess facilities covering 15,000 square meters, more than 400 staff, and fixed assets worth USD2,000,000 Tags: Construction hardware URL: http://www.cndongding.com