LIANDA.LIANDA specializes in the R&D and manufacturing of control valves (gate valves, ball valves, butterfly valves), excelling in providing technical solutions for special operating conditions such as cryogenic, high-temperature, high-pressure, wear-resistant, toxic/hazardous environments, and high-frequency operation. Our products are widely applied across numerous industrial sectors including petroleum, chemical, coal chemical, and power generation. LIANDA holds certifications including ISO9001:2015 Quality Management System, GB/T28001-2011 Occupational Health and Safety Management System Certification, ISO14001:2015 Environmental Management System Certification, Special Equipment Manufacturing License (A1), CE Certification, Product Functional Safety SIL Certification, API 6FA Certification, API 607 Certification, ISO15848 Valve Emission Testing Certification, and API 624 Certification. Primary product lines include: Gate and Globe Valve Series, Ball Valve Series, Butterfly Valve Series, and Control Valve Series.