<form id="j9tvf"><form id="j9tvf"><nobr id="j9tvf"></nobr></form></form>

    <form id="j9tvf"></form>

      <mark id="j9tvf"></mark>
      <address id="j9tvf"></address>

                    Yantai Yuanhua Steel Pipe CO., Ltd., a subsidiary company of Yantai Donghai Steel Tube Co., Ltd., is a key manufacture specializing in hot-rolling seamless steel pipes. It is located in the scenic coastal city-Yantai with very convenient transportation. Our company can produce more than 300,000 tons finished products covering the specs of 76-530 mm diameters by a set of 170 automatic, 140 Accu-Roll hot-rolling seamless mill facilities and two sets of hot-expanding production line. Our products pass the quality authentication and sell well in domestic and overseas markets. Our company has an experienced team including more than one hundred engineers and technicians. We strictly follow the ISO 9001 Quality Control System from raw material, produce procedure, product development, even to each marketing sectors. Our products can be served for construction, liquid transportation, low middle and high pressure boiler, oil well...

                    Add: No. 37 Shijiazhuang Rd. ETDZ Yantai China
                    Tel: 0086 535 6977277
                    Fax: 0086 535 6977298
                    Mobile: 0086 13791156267
                    Web: www.rxxtw.com
                    Email: yuanhua@yuanhuagg.com

                    Seamless Steel Pipe 
                    Seamless steel tube has a hollow section, a large number of which are used for conveying fluid, such as crude oil, natural gas, coal gas, water and some solid materials, etc. Compared with solid round steel, when the torsional strength is same, the weight of the seamless steel pipe is relatively light, so it is a kind of economical steel, which is widely used in manufacture oil tubular goods and mechanical parts. The use of seamless steel tube can improve the utilization of materials, simplify the manufacturing process, save materials and processing time.

                    欧美中文无线码-麻豆传媒国产之光32部简介-高清不卡一区二区三区-一夲道av无码无卡免费,揄拍国产在线,偷拍亚洲综合20p,国语自产精品视频在视频