Welcome to Pro Tech World International Co., Ltd. We are the importer and trading company in Thailand. Our firm was established in 1998. We would like to introduce the high quality products with our good service for all of customer’s needs. Our Stocks are prepare for big quantity and we have a workshop with the machines that we can modify repair and make to order for all customer's need. We can mounting adaptor, valve, actuator, flange etc. We can repair valve and actuator by experien...