Current company records
Dervos describes a Xiamen headquarters, valve manufacturing facilities in Zhejiang and procurement services. Its published supply range includes ball, gate, globe, check and butterfly valves.
Manufacturing & sourcing — company-statedIts official website describes design, manufacture, sales and support for vacuum and clean-process valves and precision pipe connections. Published ranges include vacuum butterfly and gate valves, baffle valves, sanitary valves, flanges and pipe fittings.
Manufacturing / Parts, materials & related services — published business descriptionIts STONE website describes industrial valve and actuator manufacture in Fuzhou. Published products include ball, butterfly, gate, globe, check and control valves, pressure regulators and aluminium-alloy or cast-iron cylinders.
Manufacturing / Parts, materials & related services — published business descriptionIts official website describes manufacture of industrial rubber products and automotive rubber components. Published product groups include seals, rubber pipe components, vibration-damping parts, sleeves, rubber springs and cushioning components.
Manufacturing / Parts, materials & related services — published business descriptionIts attributed supplier postings offer solenoid valves, pulse valves, gas solenoid valves, pneumatically controlled valves and proportional valves, with product selection enquiries.
Sales & sourcing — published business descriptionIts official introduction describes production and sales of plastic valves, pipes, fittings and adhesives using UPVC, CPVC, PP-H, PVDF and clear PVC. Published products include union ball valves, pneumatically and electrically operated ball valves and plastic butterfly valves.
Manufacturing / Parts, materials & related services — published business descriptionIts 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.
Manufacturing / Parts, materials & related services — published business descriptionIts official introduction describes silicone and rubber product manufacture and sales, with formulation development, mixing and moulding. Published products include O-, U-, Y-, D- and X-section seals, gaskets, waterproof rings, extruded tubes and custom-shaped rubber components.
Manufacturing / Parts, materials & related services — published business descriptionIts official introduction describes rubber-seal design, development, production and sales for applications including valves, hydraulics and industrial equipment. Published products include O-rings, rubber gaskets and custom rubber components.
Manufacturing / Parts, materials & related services — published business descriptionIts company showroom describes import/export trading and related technical support. Published ranges include valves, pumps, fans, instruments, wastewater-treatment equipment and standard parts, including flowmeters, pressure gauges, sensors and level instruments.
Sales & sourcing / Parts, materials & related services — published business descriptionIts company showroom describes manufacture of fuel-injection precision components. Published products include delivery valves, solenoid valves, common-rail valve components, plungers, nozzles and pump parts for diesel fuel systems.
Manufacturing / Parts, materials & related services — published business descriptionIts official DB-series product page describes CNC boring and milling equipment designed for machining medium and large valve bodies. Its published offering also includes machining centres, installation, training and machining-process support for component manufacturers.
Manufacturing / Parts, materials & related services — published business descriptionIts public company scope lists sales of valves and cocks, hardware, metal products, corrosion-protection materials, building metal fittings, fans, wires and cables among its trading activities.
Sales & sourcing / Parts, materials & related services — published business descriptionIts official introduction describes valve development, manufacture, sales and services for metallurgical gas systems and industrial pipelines. Published products include slide-plate and vent valves, ash-discharge and coal-injection ball valves, gate, globe, check, butterfly and regulating valves.
Manufacturing — published business descriptionIts official introduction describes development and production of fluoroplastic pumps and valves. Published products include magnetic-drive and centrifugal pumps, fluorine-lined ball valves, lined sight glasses and PTFE- or PO-lined pipeline fittings.
Manufacturing / Parts, materials & related services — published business descriptionIts company showroom describes foundry and machining services, including casting, heat treatment, tooling and component processing. Published applications include valve parts for chemical and petrochemical equipment, alongside other industrial cast components.
Manufacturing / Parts, materials & related services — published business descriptionIts public company scope lists sales of valves and cocks, foundry moulding materials, rubber products, metal materials and structures, hardware, fire equipment and insulation materials, with industrial engineering design and construction equipment rental.
Sales & sourcing / Parts, materials & related services — published business descriptionIts official website describes development and manufacture of valves and actuators, with OEM and ODM services. Published product groups include single-disc and double-disc check valves, butterfly valves, plug valves and operators.
Manufacturing / Parts, materials & related services — published business descriptionIts official website describes manufacture and sales of water-system valves. Published ranges include gate, butterfly and check valves, solenoid and hydraulic control valves, strainers, air-release valves, expansion joints, rubber joints and electromagnetic flowmeters.
Manufacturing / Parts, materials & related services — published business descriptionIts official website describes valve development, production and sales. Published ranges include gate, ball, butterfly, globe, check and regulating valves, electric actuators, metallurgical valves and hydraulic control valves.
Manufacturing / Parts, materials & related services — published business descriptionIts company shop describes industrial equipment and component trading, including valves, electrical equipment, lubricants and metal materials. Published product groups include drain, electric and needle valves, pressure gauges, industrial rubber products and oil seals.
Sales & sourcing / Parts, materials & related services — published business descriptionPublic product disclosures name the company as the manufacturer of vulcanised rubber sealing rings. Further published entries identify rubber seals for valve and pipeline applications.
Manufacturing / Parts, materials & related services — published business descriptionIts 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.
Manufacturing / Parts, materials & related services — published business descriptionIts official introduction describes manufacture and machining of metal components. Published products include aluminium-bronze and stainless-steel valve discs, tin-bronze valve accessories, valve bodies and other valve castings for fluid-control and related equipment.
Manufacturing / Parts, materials & related services — published business descriptionIts official introduction describes design, manufacture, sales and technical services for industrial plastic valves, pipes and fittings. Published products include UPVC, CPVC, PPH and PPR piping, union ball valves, electrically and pneumatically operated ball valves and butterfly valves.
Manufacturing / Parts, materials & related services — published business descriptionIts official introduction describes rubber-seal development, manufacture and sales, with rubber tooling, material formulation, mixing and custom production. Published products include sealing rings, backup rings, rubber gaskets and washers, with industrial and fluid-system sealing applications.
Manufacturing / Parts, materials & related services — published business descriptionIts company showroom describes manufacture and machining of grey-iron, ductile-iron and aluminium-alloy castings. Published ranges include butterfly-valve castings, valve components and fire-protection pipeline parts, alongside other mechanical components.
Manufacturing / Parts, materials & related services — published business descriptionIts public employer introduction lists sales of valves and cocks, pipeline equipment, machinery, hardware, building materials and electronic products among its trading activities.
Sales & sourcing / Parts, materials & related services — published business descriptionIts official website describes investment casting and precision machining, with pump and valve components among its product groups. Published casting materials include stainless steel, carbon steel, alloy steel and wear- or heat-resistant steels.
Manufacturing / Parts, materials & related services — published business descriptionIts public company introduction describes automation product development and production. Published ranges include electric, solenoid, hydraulic and pneumatic valves, valve-control systems, pressure, level and flow instruments, hydraulic equipment and filters.
Manufacturing / Parts, materials & related services — published business descriptionIts public company scope lists sales of valves and cocks, seals, instruments, industrial automation equipment, mechanical and electrical equipment, metal and alloy materials, specialty steels and insulation materials. It also describes machinery rental.
Sales & sourcing / Parts, materials & related services — published business descriptionIts company showroom offers castings for valves, fire-protection equipment, pumps and engineering machinery. Its public scope describes casting, machining and sales of ductile iron, grey iron, cast steel and alloy components, including pipeline and machine-tool parts.
Manufacturing / Parts, materials & related services — published business descriptionIts official website describes research, development and manufacture of hydraulic systems, hydraulic cylinders and precision mechanical components. Published cylinder ranges serve loaders, excavators, forklift attachments, sanitation vehicles and access platforms.
Manufacturing / Parts, materials & related services — published business descriptionIts named company introduction offers gate, globe, ball, check and butterfly valves, plunger and hydraulic control valves, pipeline accessories, gaskets and pneumatic components.
Sales & sourcing / Parts, materials & related services — published business descriptionIts named company introduction describes valve production and lists gate, globe, ball, check and butterfly valves, with industrial pipeline applications. The published Longyan location is its operating centre.
Manufacturing — published business descriptionIts public company scope lists valve and cock sales, fire equipment, hardware, mechanical components, plastics, foundry moulding materials, metal products and machinery. It also describes ordinary machinery installation and equipment rental.
Sales & sourcing / Parts, materials & related services — published business descriptionIts public employer introduction describes casting, machining and sales of valves and castings. Its published company catalogue also presents stainless-steel, carbon-steel and special-material castings for valves, pumps, pipe fittings and hardware.
Manufacturing / Parts, materials & related services — published business descriptionIts company showroom presents valve and mechanical components including valve bodies, bonnets, pump bodies and gate components. Published company information describes steel casting and machining for valve and industrial equipment applications.
Manufacturing / Parts, materials & related services — published business descriptionIts public company scope describes valve and cock manufacture, mechanical component machining, ferrous and non-ferrous casting, fastener and bearing manufacture, gears and transmission components, metal tools and hardware.
Manufacturing / Parts, materials & related services — published business descriptionIts public company scope lists sales of valves and cocks, mechanical components, metal materials, hardware, mechanical and electrical equipment, instruments and fire equipment. It also describes component processing, instrument and general equipment repair and ordinary machinery installation.
Sales & sourcing / Parts, materials & related services — published business description