Honest is the best policy , some one wanna attract you in lower price , we would obtain a good reputation and the market by means of good
quality and aftersales service
Dayang Petroleum Equipment Co.,Ltd. is a trading compnay,our main products are drilling rig and pipes,with good quality and pretty competitive price.
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Xi�an LONGER Machinery Co., Ltd. is a diversified supplier for extensive range of industrial machinery, it now focuses on providing kinds of oilfield tools which are of China origin.
We are agent in the oil industry.as you know nigeria is one of the biggest oil producing country in the world.we help oil merchant to source for the product here in nigeria.
We company is named as chongqing gold oil testing manufacturer of oil purification equipment wich is used to purify used oil.We also supply petroleum products testing instruments.
Xi 'an Senshe Electronic Technology Corporation
China
We specialized in geophone elements; geophone strings for Land, Marsh and Desert which provide high fidelity data in 2-D&3-D seismic surveys; geophone adaptors& connectors
We are a leading manufacturer of downhole tools in oil industry, with API and iso 9001 Certificate,the products are made strictly as per API 7-1 standard with BV Inspection
