新年伊始,从际华三五一七橡胶制品有限公司传来喜讯,该公司经过数年研发的球墨铸管用三元乙丙橡胶密封件,经国家橡胶密封制品质量监督检验中心为期数百天的试验检验,确认使用寿命可达139.5年。该研发项目的技术水平进入了世界先进水平行列,开创了我国百年胶圈的历史,填补了国内空白。目前,该产品已配套供应新兴铸管公司的国内外多个重要管道工程项目。 At the beginning of the new year, good news came from Jihua 3517 Rubber Products Co., Ltd. After several years of development, the company used EPDM rubber seals for ductile castings and passed the quality inspection and testing center of rubber seals for hundreds of days The test test to confirm the service life of up to 139.5 years. The R & D project’s technological level has entered the ranks of the world’s advanced level, creating a history of centuries aprons in our country, to fill the gaps in the country. At present, the product has been supplied to Xinxing Ductile Iron and Steel Company’s many major pipeline projects at home and abroad.