Tianjin Sincere Import & Export Co., Ltd. (China) is manufacture all kinds of steel pipe. one of the excellent steel pipe manufacturers in China.We are a professional steel pipe manufacturer. Now our products include: round steel pipe, square steel pipe, rectangular steel pipe, oval steel pipe, window section steel pipe (LTZ pipe) and so on. With a stable quality and reliable service, over 85% of our products are exported overseas, such as Africa, Middle East, Middle and South America and so on. The annual capacity of our factory is 10, 000.00 tons per month.We would like to establish the business relationship with you in the steel pipe market.           Welcome to consulting MSN: dorissteel@hotmail.com   website:www.cnsincere.com.cn