Professional custom precision seamless precision due to high precision seamless tube, q345b tube, non-standard products can be customized, q345b, our company can produce ranges: OD: 4mm-219mm bore: 3mm-215mm. Material can produce: 10 #, 20 #, 35 #, 45 #, 20Cr, 40Cr, 16Mn, 27SiMn like. 3T from a variety of custom. Solemn promise: to ensure the best product, best quality, lowest price, best service to thank new and old customers trust a group of zero concurrently, one from the sale. Second, customers can choose the length or other requirements needed. Three generations set, purchasing all kinds of steel contracts or special specifications. Four missing temporarily swap the library specifications, and save you the run around the procurement of hard work. Five arrange transportation, a large quantity straight hair your location. q345b seamless steel pipe Katherine source (online consultation), q345b provided by the source Pipe Co., Ltd. Liaocheng trillion. Katherine source Pipe Co., Ltd. Liaocheng (www.lczygg.com) (www.345bgg.com) Shandong Liaocheng, steel leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer demand. Katherine source leader in steel with the staff warmly welcome all inquiries negotiations to create Katherine source steel better future.