Shenyang Wensheng Instrument and Equipment Co.,Ltd focus on researching and producing the equipment of petroleum and natural gas, provides whole series of cleaning pig equipment of long-transportation pipeline, insulation adapter, gas distributor, separator and filter for users. We also support cleaning pig, pig launchers & receivers and complete before-sale & after-sale service, including business advice, equipment deploying, installation and adjustment, etc. Our factory is supplier of Sinopec. Characteristics of pig launchers & receivers: 1 It has simple structure, convenient operating, is especially suitable for daily maintenance of pipeline. 2 The quick opening closure is used to quickly open or close the launchers & receivers. 3 The security device is deployed, which is safe and reliable. 4 The pig signaler can be installed to indicate the process of launching and receiving accurately. Application area: The pig launchers & receivers is mainly used for petroleum, chemical industry, electricity, metallurgy and other industries.