LS Petrochem Equipment Corporation, located in Southern California, is the western hemisphere headquarters for the Lanzhou Petroleum Chemical Machinery Works, LPCMW, located in Lanzhou (pronounced: Lan-joe), China.

The LPCMW manufacturing complex consists of more than ten different manufacturing plants, manufacturing products such as Pumping Units, Drilling Rigs, Mud Pumps, Pressure Vessels, Storage Tanks, and Plate Heat Exchangers.

Additionally, the LPCMW complex includes an Iron Foundry for producing ductile cast iron, an Investment Casting Plant, a Steel Foundry, and a Forging and Heat-treatment Plant.

LPCMW carries the API monogram for drilling and production equipment, the ASME certificate for pressure vessels, the Lloyd's Certificate for casting and forging products, and is currently ISO9001 approved for its quality control processes. LS Petrochem Equipment products have been sold extensively around the world under the "LS" brand name, as well as under OEM manufacturer brand names.

During the 1970's LS pumping units were marketed under the "NPS" brand, and throughout the 1980's and 1990's under the "Darco/LS" brand of pumping units. LS Petrochem Equipment enters the new millenium prepared to meet the challenges of an ever-volatile industry