Thanks to the tremendous efforts of R & D personnel, the Wangzhongwang solar water heater series have successfully got through their design and test stages.

通过本公司科技人员精心设计，开发试验成功王中王太阳能系列产品。

youdao

Thanks to the tremendous efforts of R & D personnel, the Wangzhongwang solar water heater series have successfully got through their design and test stages.

通过本公司科技人员精心设计，开发试验成功王中王太阳能系列产品。

youdao