Q:Are you factory? We are a factory in manufacturing and exporting expansion joint. Being in the lines for nearly 30 years, we can confirm that our products are of reasonable price and good quality . Q:Why choose us? 1.Many years Industry and export experience 2.Extensive product range with good quality 3.Complete pre-sales ,after sales service team to ensure customer's needs and preferences. Q:How about application field? 1.the surface and underground engineering,ship building/sea oil platform,water/gas supply,power and industrial production. 2.sewage treatment and maintenance etc.Such as Crude oil line,natural gas pipelines,water drainage pipelines, aviation/car special line,lubricating oil pipelines blunt water power line. 3.sea water/fresh water pipeline etc. Q:What's your difference from others? 1.Produce per customer requirement strictly, test and quality control. 2.Universality:Avaliable for many kinds of metal pipes, and for less misaligned and different diameter-pipes coupling, especially for emergency quick repair. 3.Economy:Coupling despite of the pipe thickness and no need furbishing of the pipe ends, simple handing and cost-saving. how to contact us? Write your needs in below,click"send" to get reply now!