BT is a API 6A certified, precision machining wellhead supplier. BT provide you superior quality and competitive price on API 6A wellhead , Christmas Tree and related parts. We are firmly dedicated to providing the highest quality products and services for today's oilfield industry. BT has more than 115 working staff and 150 sets of equipment in production and Inspection. The factory is working on 24 hours a day with 3 three shift working team to give you best delivery time.