In 2017, Lianhong improved its technology and developed a new type of reaction pressure vessel again. In April 2018, Its obtained the Patent Certificate issued by the StateIntellectual Property office of the People's Republic of China.
Certificate No. : 7175887, Patent No. : ZL 2017 2 1131942.9

In 2017, Lianhong developed a new type of Anti-Dumping Pressure Vessel with the aim of putting customer experience first.In April 2018, Its obtained the Patent Certificate issued by the State Intellectual Property Office of the People's Republic of China.
Certificate No. : 7176247, Patent No. : ZL 2017 2 1131943.3.

In 2017, the company after years of persistence and efforts, finally developed a device with a cool storage tanks, In April 2018, its obtained the Patent Certificate issued by the State Intellectual Property office of the People's Republic of China,
Certificate No. : 7176237, Patent number: ZL 2017 2 1131118.3.

In 2017, Lianhong company has been continuously studying and developing a new type of oil storage container tank.In April 2018, its obtained the Patent Certificate issued by the StateIntellectual Property Office of the People's Republic of China.
Certificate No. : 7175855, Patent No. : ZL 2017 2 1186679.3.

In 2017, in order to improve the working efficiency and more accurate production, Lianghong company developed a stamping device that is convenient for mold release . In April 2018, its obtained the Patent Certificate issued by the State Intellectual Property Office of the People's Republic of China.
Certificate No. : 7176831, Patent No. : ZL 2017 2 1131944.8.

In 2017, in order to improve the process and produce more accurately,Lianhong company developed an adjustable steel tube rust removal device.In April 2018, its obtained the Patent Certificate issued by the stateIntellectual Property Office of the People's Republic of China.
Certificate No. : 7176832, Patent No. : ZL 2017 2 1131428.5.

In 2015, the company with the latest technology, the development of a titanium alloy head, In August 2016, passed the authorization of the StateIntellectual Property Office of the People's Republic of China, and in February 2017, has obtained the Patent Certificate, Certificate No. : 5416331, Patent Number: ZL2015 2 1075017. X.