We specialized in export of API Spec 5B & 7-2 Gages, ThreadMeasurement etc. All the API gauges we supplied are withindependent third-party gauges calibration certificate which isrecognized by API. Our products have been well sold in America,Europe, Asia, and Middle East etc. Through our competitive price,professional service and timely delivery, we win a good reputationhome and abroad. Now we have many kinds and sizes of API gauges instock and can meet the production needs of old and new customers.