api working gage20+ factories verified

As one strategic partner of the China aviation industry, Deko Corporation mainly dedicate to the development, manufacture and marketing of KM brand small precision CNC lathes, precision measuring instruments, petroleum oil pipe thread measuring instruments since the end of the last century in the national high technology development zone in Xi'an, where is also the first free trade zone of the Northwest in China. We are certified to ISO 9001, all our products are manufactured and calibrated critically to th exact standards&ISO9001 management standards.

BOMCO Precision Machinery Plant is the largest and main research & development manufacturing base of oilfield thread gauges, at the same time is the main research & development manufacturing base of oilfield gears for oilfield line equipment, metallurgical industry, shipping industry in China. The oilfield purpose thread gauges designed and manufactured in plant has won the national silver medal in China.

API gauge member

Baoji Thread gages Co., Ltd Product performance introduction:

Dongying Jinxiu Petroleum Machinery Co., Ltd (JX PETRO) was founded in 2005 with registered capital of RMB 50, 000, 000 Yuan in Shengli Oilfield, the oil equipment hub of China. JX Petro is a professional manufacturer and supplier of petroleum drilling and production equipment with API certification.

FYOU PMEC, The Premier Leader in Manufacturing the Highest Quality Plug Gages and Ring Gages, API Thread Measuring Instruments in China!

Dongguan SYS Industrial Co. Ltd (named SYS)

Dongying Lake Petroleum Technology Co., Ltd (Lake Petro) is a one-stop oil service company with 15 years of work experience in oil and gas fields. We have served over 300 clients in over 30 countries and regions, involving oil and gas, water wells, mining, geology, oceanography, etc. We commit to provide the best products and services to our customers worldwide.

Hebei Ruishi Bits Manufacturing Co., Ltd., was founded in 1990, it is a professional company engaged in diamond drill bit and drilling tool research and development, design and manufacture, sales and service of specialized company. The company is located in Renqiu city which is rich in oil resources, Renqiu is also the location of Huabei oilfield.

SHANDONG VSP PETROLEUM TECHNOLOGY Co., Ltd. - Global Top Drive Solutions Provider

Shenzhen Toprie Electronic Co., Ltd is a high technology enterprise engaged in manufacturing of smart environmental monitoring and data acquisition field.

Shanghai Trisun Parts Manufacture Co., Ltd., established in 1998, is one of the biggest mechanical seal manufacturers in China.

About Us:

Weifang Jufeng Metal Products Co., Ltd is located in Weifang the famous city in China and the world center of kites. It is 140 kilometers far away from Qingdao port, the transportation is very convenient. Our company use the location advantages of Shandong province to integrate resources so that we can processing according to the drawings of customers.

Hebei Forward Measuring Tool Co., Ltd. is a private wholly-owned enterprise which mainly produces and sells gauges and measuring tools. Our company has universal micrometer, universal workload microscope, three coordinates, hardness tester, material analyzer, material testing machine, heat treatment, cold treatment and other precision monitoring and material processing, processing equipment. Our company's products mainly include smooth plug ring gauge, taper plug ring gauge, machine tool inspection rod, clamp gauge, sine gauge, measuring rod, thread plug ring gauge, flat plate, platform, machine tool pad iron, comprehensive inspection tools, position inspection tools and other non-scalar tools, calibration tools, reasonable prices, timely delivery, looking forward to new and old customers to negotiate and order. Over the years, the company has won praise from customers for its high-quality products, reasonable prices and good after-sales service. On this basis, it has made progress, actively increased new equipment and technology, introduced high-tech talents,

Suzhou Energy Tool Co., Ltd. (short "EGT " ) is a high-tech company formed by a group of drill bit experts with over 20 years work experience in world top oil service companies such as  Smith, Baker Hughes and so on. EGT has cooperated with many research institutes and at home and has formed an advanced technological system basing on market-oriented and continuously promoting technological innovation and product improvement.

HengSheng Machinery is specialized in Engineering and Machinery steel Parts Company, which makes a wide range for Products including:Iron casting, Investment casting, Gravity casting, Alu die casting and Injection Parts, Forging parts, Stamping, Automotive parts and other casting components and products

Shandong xilong Machinery Equipment Company Limited is a supplier of drilling equipment for oil and gas industries.

We have been specializing in measuring tools specially in thread gauges and tools supplies and so on over 15 years. We have strong ability to provide the best service and products to our customers all over the world, also we can OEM for customer special requirement. If you have any question please contact us, we will try our best to support you!

Shanghai Osmya Trading Co., Ltd was established in March 2006 and grew at a rapid rate to become one of the leading global suppliers of precision measuring instruments, cutting tools etc.

Our company was founded in 2000, is a comprehensive steel manufacturer integrating production, processing and trade all in one. The company's premises are located in the place of industry strategic importance in Shengfang of Hebei Province. Enjoying the convenient traffic and occupying an advantageous location, the company covers an area of 30, 000 square meters, construction area of 7, 500 square meters, more than 200 employees. Our company now owns 15 ERW steel pipe production lines and 6 special precision steel pipe production lines., and can reach the annual production capacity of 1000, 000 tons.

Zhuzhou Sanyinghe Co., Ltd is a professional export base of tungsten carbide products in China, It's a professional enterprise which specializes in the manufacture, and sale of solid carbide cutting tools as well as tool coating. Our main products include all kinds of tungsten carbide inserts, end mill, milling cutter, tap & dies, reamer, mill disc cutters, rods, strips, plates products, PDC rock drilling tool and tool etc. We can also provide products according to customer's requirements or drawings.

Our company was founded in 2003 to represent the products of the top 2 API gauge manufacturers in China. Both of them are subsidiary facilities of state-owned corporations and are API-licensed. All our gauges come with third-party calibration certificates that are traceable to China National Institute of Metrology and valid for API audit.