WENZHOU GDIGGER ENERGY ENGINEERING CO., LTD. is a professional manufacturer specializing in high quality Pressure Vessels with annual output of 150, 000 tons. We supply Storage Tank and Spherical Tank on any projects for different medium (LPG, LNG, Oxygen, Nitrogen, Natural Gas, Hydrogen, Liquefied Gas, etc). Cubage dimension from 5m³ to 10000 m³ with experienced installation teams for your tanks if need. GDIGGER provides an in-depth knowledge and widespread International experience from design, supply, construction, Installation & training of EPC Projects. Our pressure vessels are used for handling a wide variety of applications in gas, oil, refining, chemical, shipbuilding, power generation and pipeline transmission industries. In order to provide satisfactory pressure vessels to the customs, we emphasize on our quality control to meet the customer’s specification and requirements. We utilize modern CNC lathes and machining centers, precision grinders and a full complement of manual lathes and mills to produce high quality storage tanks and other pressure vessels. GDIGGER storage tanks and pressure vessels are made in accordance with ISO, GB, ANSI, API, ASME, SNAS and other international standards. With qualifications of specialized contracting and Grade I of installation of steel structure, and qualified as Grade A2 and A3 of special equipment. We obtained some important international authentication certificates such as NK, BV, and ASME. Meanwhile we have been awarded U Stamp and U2 Stamp of ASME authentication as well as the NB Stamp of America Boiler and Pressure Vessel Supervisory Commission. Our main focus is on offering outstanding tanks to our customers and sticking to timely delivery schedules with top quality and competitive prices, which will be your reliable partner. GDIGGER is your one stop solution partner on oil and gas industry. Especially on LPG industry, our proficiency ensures that no matter what your LPG application, GDIGGER will have a cost effective and efficient solution. We welcome valuable customers to visit our company.