Shandong Aosen Radiation Protection Engineering Co., Ltd is a high-starting new enterprise. It now has 2 modern hot rolling production lines and the most advanced monitoring equipment. It mainly produces a variety of seamless pipes with diameter 89-180 mm and wall thickness of 8-45 mm. For: 20#, 45#, 16 Mn, 27 SiMn, 15 CrMo, 12 CrlMoV, J55, N80 etc. Implementation standards are: GB8162-2008, GB8163-2008, GB3087-2008, GB5310-1995, GB6479-2000, ASTM53, A106, API5L /5CT, DIN, JIS, A160B, A106C, A53Gr. B, A53Gr. C, A333Gr. 6, A333Gr. 3, etc. The company's product length is more than 12 meters, and it also acts as a seamless tube for various domestic steel mills 14-820 with a thickness of 1 to 80. It can meet the needs of various types of fixed-size ordering, foreign trade export, etc., and produce extra-thick seamless tubes such as 102*30, 108*35, 114*35, 140*45, etc., to fill the gap in the market. The products have passed ISO9001 quality certification, ISO14001 environment, OSHMS occupational safety and health management system certification and API international product quality certification. With good quality, the products have been widely recognized and praised by customers, and the products are sold well all over the country. The company has fully utilized the advantages of self-operated export rights and opened up the international market. The products have been exported to South Korea, Canada, Iran, India and other countries and regions, and the product quality enjoys a high reputation both at home and abroad.