Tianjin Qihua Changsheng Oil Drilling Tool Sales Co.,Ltd
We are a customer-oriented manufacturing servicing company. We are
specializing in producing sand casting, Investment casting,
forging, stamping, machining, plastic parts and oilfield downhole
Our main business is to provide one-stop customized service for
mechanical parts, components and assemblies, which offers our
customers a comprehensive solution to their procurement of
customized mechanical products and services based on their specific
Our service covers product design, process design, product
improvement, organization of production, process control, quality
control, logistics and after-sales service.
Our products and services cover many areas of mechanical industry,
including petrochemical machinery, engineering, Drilling &
earth-moving machinery, general machinery and other industrial
We have experienced engineers and sales to provide full-range
services from the very beginning to the life time of our products.
QiHua ChangSheng knows that, quality is the life of a supplier;
honesty makes its life longer!