Petrovalve Inc.Houston, has signed an agreement with Don-Nan Pump & Supply, Midland, Tex., whereby Don-Nan will have exclusive right to install Petrovalve Plus and Gas Breaker valve products in their rod pumps manufactured for the oil and gas production industry.Petrovalve Inc. is a subsidiary of Flotek Industries Inc., which manufactures and markets innovative specialty chemicals, downhole drilling and production equipment, and manages automated bulk material handling, loading, and blending facilities.Don-Nan Pump & Supply Co., in business since 1962, has operations in nine locations in the US.AECsoft USA Inc.Houston, has announced formation of a new business unit to manage the c...

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