2023 Obtained a wax inlet pipe ZL 2023 2 2128873.8 for wax water sedimentation tank - Utility model patent certificate.
2022 Obtained a combustion Control System 2022224488407- Utility Model Patent Certificate.
2019 Obtained a direct wax injection system 2019213596779 utility model patent certificate.
2014 Obtained a floating sand machine 2014108311102- Invention new patent certificate.