Since 1979, Ningbo Wan'an Co., Ltd. has engaged in the development and production of L.P. gas valves, L.P. gas regulators and related products. Today, we are one of China's premier manufacturers in this field. We are also the main drafter of Chinese L.P. gas cylinder valve standard (GB7512-1998) and Chinese L.P. gas regulator guild standard (CJ50-2001). Our company has attained ISO9001:2000 certification and our products have passed the evaluation of CSA, UL and CE certifications. We offer our customers a complete solution for their L.P. gas products needs.
We provide comprehensive quality control systems, professional technical engineering standards and fine service for all of our customers. This is the stable base that ensures our competitive edge in the marketplace. ...
We provide comprehensive quality control systems, professional technical engineering standards and fine service for all of our customers. This is the stable base that ensures our competitive edge in the marketplace. ...
China