Zhengzhou Trust Industry Co.,Ltd is a comprehensive industrial enterprises which is located in Zhengzhou city China.our company is a reputable supplier for oil and gas equipment in China.The main product is air compressor;air cylinders,air separation unit;fuel dispensers;oil,LPG gas filling station and storage tanks and crude oil refinery;drilling and quarrying tools, fire fighting equipment;oil tank farm materials etc.Zhengzhou Trust Co. is a leading company in both product quality and market share in this industry.our products&services have a very good reputation in China and North/South America,East Europe,Mid-east,Middle Asia,Australia and Africa areas etc. Best Quality,Best Service is our motto,And all our staff will work together to supply better products and perfect services,also welcome all global clients to visit us for negotiation and build long term cooperation friendship. Service advantages:1.Inquiry and service for 24Hrs for clients;2.Engineers available to service machinery overseas.3.Sales engineers provide specific reply within one day when the customer has after-sales problem until it&＃39;s solved. 4.Guarantee period is one year for whole machine(except maintenance consumables).5.We can send engineers to live for maintaining and repairing permanently in the local place.