Liding PDF Flange Duct Roll Forming Machine won the patent of China and CE certificate of EU

Foshan, China, 5 July 2024 -- Liding Forming officially announced that its self-developed PDF Flange Duct Cold Forming Machine has successfully obtained the utility model patent (Patent No. ZL2023 2 3094331.X) issued by the State Intellectual Property Office of China. ). This milestone marks a key technological breakthrough for Chinese enterprises in the field of HVAC duct manufacturing equipment, breaking the long-term monopoly pattern of European enterprises.

Highlights of technological breakthrough
PDF3 profile forming technology

Adopting the original ‘PDF3 profile forming step’, the flange forming is completed in one go by 36 sets of precision rollers.

Production efficiency: 12 metres per minute

Machinery Safety Directive 2006/42/EC;
Electromagnetic Compatibility Directive 2014/30/EU;