Thanglong Minerals & Metals Co., Ltd is specialising cast iron products. We are exporting cast iron counter-weight block for elevators, Cast iron sinker for finshing net to Japan, Taiwan. EuropeWe will be happy if you are also interested in buying from Vietnam and will send you our best offer upon receipt of your order and drawings.Yours sincerelyTran Quang TuanTel: 84 4 35532669Fax: 84 4 35532669URL: www.thanglongcastiron.com