Lianggao highlights knife gate and metallurgical valves. Its website also lists gate, globe, ball, butterfly, check, plug and safety valve ranges; listing breadth does not establish in-house production for every family.
Documented supplier scope
5 company records currently include this family. Catalogue scope is not a stock or certification claim.
Rui Mai publishes metal-valve ranges plus flanges, pipe connectors, expansion joints and repair clamps. The named trading company describes supply through cooperating factories.
Offers manual, electric and pneumatic butterfly valves, ball, gate, knife-gate, check and hydraulic control valves. Its company shop also describes repair and overhaul services, including large desulphurisation butterfly valves.
Offers wafer, lug and flanged butterfly valves, dual-plate check valves, resilient-seated gate valves and knife-gate valves.
Its catalogue offers electric butterfly valves, electric ball valves, knife-gate valves, pneumatic butterfly valves and valve electric actuators, with actuator repair and customisation services.
Offers gate, butterfly, check, ball and knife-gate valves, hydraulic water-control and relief valves, pipe repair clamps, connectors, strainers and flowmeters.
Its official company introduction describes valve assembly/testing and local sales/support services. Product ranges include electric/pneumatic actuators, actuated ball and butterfly valves, pneumatic knife-gate valves and control valves.
Its official website describes valve development, production and sales. Listed products include ball, gate, globe, check, butterfly, control, safety and knife-gate valves, along with pumps, flanges, control accessories and pipe fittings.
Its official introduction describes valve research, manufacture, sales and after-sales services, with headquarters in Jiaxing and production bases in Jiaxing and Wenzhou. Published ranges include fully welded and forged ball valves, butterfly valves, gate and knife-gate valves, globe valves and check valves.
Its official website describes manufacturing and processing of coal-preparation equipment and wear-resistant piping. Published valve products include ceramic globe and gate valves, rubber gate valves, butterfly valves, knife-gate valves and pinch valves, alongside ceramic and composite wear-resistant pipes and elbows.
Its official product pages present ceramic-lined ball valves, V-port regulating ball valves, check, double-gate, globe, butterfly and knife-gate valves, together with ceramic pipe fittings and structural ceramic parts. It also describes valve production and technical support.
Its official catalogue presents high-performance butterfly valves, globe, check, ball, plug, gate and knife-gate valves, alongside precision valve castings. Its introduction describes valve design, manufacture, machining and after-sales services.
Its official catalogue lists gate valves, trunnion-mounted and threaded ball valves, V-port ball valves, knife-gate valves, triple-offset butterfly valves, check valves and plug valves. The website also presents flange products and valve solutions for water, fire-protection, heating and process industries.
Its company shop offers industrial valves and machinery, listing ball, needle, globe, check, butterfly, diaphragm, plug, regulating and knife-gate valves, together with air-release, balancing, steam-trap and solenoid valves and strainers.
Its official websites describe valve development and manufacture. Published ranges include gate, globe, check, ball and butterfly valves, regulating and hydraulic-control valves, knife-gate, diaphragm and plug valves, strainers and valves for demanding industrial applications.
Its official site describes research, casting, processing and production of stainless-steel valves. Product ranges include filling valves, pneumatic angle-seat valves, knife-gate valves, ball valves, diaphragm valves, check valves, quick couplings and Y-strainers.
Its official website describes industrial-valve manufacture, sales and service. Published products include regulating valves, ball and butterfly valves, knife-gate valves, bellows globe valves, shut-off valves, actuators, solenoid valves and temperature or pressure-control assemblies.
Designs and manufactures valves. Its product introduction includes slurry valves, eccentric hemispherical valves, ball, globe, gate, butterfly, check and knife-gate valves.
Develops and manufactures valves and supplies associated technical solutions. Its published product range includes gate, butterfly, check, plug, knife-gate, control, sludge-discharge and cone valves.
Its company shop offers gate valves, including cast-steel, double-disc, purge-port, pneumatic, electric, knife-gate, insulated, water-sealed, slab and forged-steel gate-valve variants.
The published company supply record identifies this business as a knife-gate-valve supplier. Its published location is in Zhijiang within Yichang.
Its published company introduction describes valve design, manufacture, sales and after-sales service. Named ranges include gate, ball, butterfly, globe, check, regulating, knife-gate, safety, plug, diaphragm and needle valves.
Offers hot-tapping and line-stopping construction services and develops related pipeline equipment. Its catalogue lists knife-gate valves, pipe fittings, plugging heads, rubber components, hydraulic power stations and cutting equipment.
Supplies valves, pumps and mechanical seals, with equipment repair and customer-site services. Published valve ranges include gate, butterfly, globe, check, ball, pressure-reducing and knife-gate products.
Its published sales range includes knife-gate, ball, butterfly, gate, pressure-reducing, globe, check and regulating valves, along with actuators and control accessories, pumps, instruments and pneumatic-hydraulic components.
Develops and manufactures industrial valves and electric-pneumatic actuators, with import-export activities. Its catalogue includes ball, butterfly, gate, globe, knife-gate, regulating, check and safety valves, plus actuator accessories and customised fluid-control assemblies.