But-Well Industrial Co., Ltd. has smarted in manufacturing LP-Gas regulator, Gas Stove, Gas cooker, Gas control valve, & Gas control for 30 years. We specializes in design and manufacture with wide range of qualified regulator and valve, which have applied in the Gas safety device. The customers' satisfaction is priority one. The But-Well inspectors inspected every regulators with the most advanced and Innovative NC Inspecting System. The entire performances curve will perform in digital and numerical. The best guarantee of our regulators comes from their continued purchasing. In order to approach the international quality standard, we also have devoted all our efforts in the Acquire of ISO 9001/2000 Certification. We can also manufacture OEM products for your special design and specifications....