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Top 10 HVAC System Manufacturers in China

China is home to some of the world’s leading HVAC manufacturers, including Gree, Midea, and Haier, known for their innovation, energy efficiency, and high-quality products. These companies provide diverse HVAC solutions for residential, commercial, and industrial needs. Selecting a system from these top manufacturers guarantees reliability, cutting-edge technology, and optimal performance, ensuring long-term customer satisfaction.

Return Pin Valve Core

This return pin valve core is a key spare part for thermostatic valves, mixing valves, automatic air vents, and assorted valve products. It’s built-in return pin structure realizes automatic opening. closing, and tight sealing of valves. Commonly used for replacement and overhaul of heating thermostatic valves, thermostatic mixing valves, automatic air vents, and small automatic control valves. It acts as an indispensable replacement component for routine valve maintenance.

  • Model No.: JX-10118
  • Item: Brass Cartridge
  • Size: M30x1.5
  • Material: CW617N,Brass
  • Finish: Original
  • Connection Thread: G1/2*G3/4 BSP thread, leak-free sealing connections
  • Medium: Water
  • Compatible with UFH actuators, featuring reliable assembly to ensure stable system operation
  • For UFH actuator, Underfloor Heating Manifold
  • Working temperature: 95℃
  • Operating Pressure: 100psi
  • Type: Floor Heating Parts
  • Seal material: EPDM
  • O-ring Gasket: EPDM
  • OEM and Custom are available
  • CE/EN standard
  • LOW LOQ
  • 3 years warranty

High Vacuum Forged Brass Needle Valve

This is our High-Vacuum Forged Brass Needle Valve. It’s a no-fuss 90-degree angle valve with a grippy, textured knob you can turn easily by hand. You can dial the flow nice and smooth, exactly how you want it. Built from forged brass, it’s rock-solid, stays leak-tight even under high vacuum, and just holds up. The male-to-female threads fit standard piping right out of the box, so you won’t fight with installation. It works great for vacuum setups, refrigeration lines, and any fluid system where you just want steady, reliable control.

  • Model No.: JX-10115
  • Operating Temp. Range:0°C ~ 400°C
  • Power: Hydraulic
  • Material: Brass, Lead-free, C37700, C46500
  • Certification: cUPC, CSA, UL
  • Operational Pressure Range:0-10 bar
  • Connection: NPT thread
  • Media: Water
  • Port size:3/4 in,3/8″
  • OEM and Custom are available
  • Free samples
  • Free inspection report

Straight Thermostatic Valve

This straight thermostatic valve adopts an all-in-one design. It is a practical component widely used in home heating systems. It works perfectly with radiators and floor heating pipelines to manage hot water flow effectively. You can pre-set and lock the temperature to stop unwanted adjustments. Thanks to standard threads and union fittings, installation and removal are a breeze. This also makes routine checks and part replacement much easier. The top rotary knob provides smooth adjustment of the indoor temperature as needed. This valve works perfectly with regular heating pipes, radiators, and boiler parts. It works well with most home heating systems. It’s ideal for new heating setups, routine maintenance, and renovation work alike.

  • Model No.: JX-10113
  • Size: 1/2″
  • Material: Brass, CW617N
  • Cartridge: Brass with scale
  • Temperature range:10-110 °C
  • Surface Treatment: Sand Blast with nickel-plated
  • Nominal Pressure: 1.0MPa
  • Certification: ISO228
  • Medium: Water
  • OEM and Custom are available
  • Free samples
  • Free inspection report
  • Standard: CE/ISO228/EN331

Brass Ball Valve with Union Nut

This ball valve is built with a union connection. which facilitates easy pipeline coupling as well as convenient maintenance, disassembly, and replacement in later use. It comes with a long butterfly‑style handle for rapid 90‑degree opening and closing. Featuring a female‑threaded union on one end and an external thread on the other. It boasts strong versatility and is compatible with common household water pipes, radiators, gas pipelines, and water heater pipelines.

  • Model No.: JX-10109
  • Size: 3/4MF Union
  • Material: CW511L and CW510L, CW617N
  • Handle: Aluminum butterfly handle with green epoxy painting
  • Finishing: Sand blasted
  • Connection: BSP, NPT
  • With free nut
  • Union material: Brass
  • Temperature range: -10-120 °C
  • Max working pressure: 20bar
  • Seal material: PTFE, EPDM
  • O-ring material: Rubber
  • Suitable for use in water supply and distribution networks
  • Application: Heating System
  • OEM and Custom are available
  • Certificated; ACS,CE
  • Free samples
  • Free inspection report

Brass Three-Way Angle Ball Valve

This angle‑type three‑way ball valve is a specialized control valve for heating and water supply systems. Fitted with a T‑shaped handle, it supports rapid 90‑degree opening and closing. Designed with an L‑shaped angled three‑way structure, it enables pipeline switching. flow diversion, and flow regulation. It flexibly switches between the water inlet, outlet, and bypass to achieve flow splitting, confluence, or pipeline bypass. Suitable for installation in wall corners and confined spaces.

  • Model No.: JX-10108
  • Size: 1/2-2″, customize
  • Material: Brass, LF, CW510L, CW511L
  • Finishing: Sand blasted
  • Handle: Steel T handle
  • Seat material: PTFE
  • Connection: BSP, NPT
  • Full port design
  • Union material: Brass
  • Temperature range: -20-100 °C
  • Quarter-turn on/off operation
  • Medium: Water
  • Seal material: EPDM
  • Ball material: Stainless steel
  • Standard: CE, ISO9001, ACS
  • Application: Heating System
  • OEM and Custom are available
  • Free samples
  • Free inspection report

SS 316 Stainless Steel Full Port Ball Valve

This ball valve body is forged from 316 stainless steel with a full‑bore design. Suitable for harsh pipeline environments including chemical, seawater, food, and pharmaceutical applications, it provides dependable on‑off control. Constructed with a two‑piece detachable body. It enables easy disassembly, internal cleaning, and sealing component replacement for convenient maintenance. Full opening and closing is achieved via a simple 90‑degree rotation.

  • Model No.: JX-10107
  • Size: 1/2-2″
  • Material: Stainless steel 316
  • Valve construction: 2-piece
  • Handle: Steel lever handle with rubber-covered
  • Seat material: PTFE
  • Connection: FIPxFIP
  • Full port design
  • Working pressure: 1000WOG
  • Temperature range: -4°F to 392°F
  • Quarter-turn on/off operation
  • Without blowout-proof stem design
  • Seal material: EPDM
  • Ball material: Stainless steel
  • Standard: ANSI
  • Application: Water supply
  • OEM and Custom are available
  • Free samples
  • Free inspection report

FxF Full Port Brass Ball Valve

This brass ball valve is a universal control fitting for water supply, drainage, HVAC, and industrial fluid pipelines. Both ends come with standard female thread ends for direct connection to matched pipes. Designed with a long blue lever handle, it fully opens and closes easily with a 90-degree turn. Ideal for fluid systems with high standards for flow efficiency and tightness.

  • Model No.: JX-10106
  • Size: 1/2-4″
  • Material: Brass, CW617N, CW510N
  • Valve construction: 2-piece
  • Handle: Steel lever handle with rubber-covered
  • Seat material: PTFE
  • Connection: FNPTxFNPT
  • Full port type
  • Working pressure: 600psi
  • Working temperature: -40 °F to 365 °F
  • Seal material: EPDM
  • Ball material: Stainless steel
  • Standard: cUPC, CSA
  • Application: Water supply
  • OEM and Custom are available
  • Free samples
  • Free inspection report

304 Stainless Steel Water Pipe Valve

This ball valve is a universal control valve suitable for water supply, drainage, HVAC, and industrial fluid pipelines. Designed with a female thread on one end and a male thread on the other, it fits various pipeline connection styles flexibly. It delivers stable on-off control for water medium pipelines. and is extensively used in household main water lines, heating circulation systems, food processing pipelines, and small industrial water supply and drainage systems.

  • Model No.: JX-10105
  • Size: 1/2-1″
  • Material: 304 stainless steel, 316 stainless steel
  • Valve construction: 2-piece
  • Lever handle with a locking device
  • Seat material: PTFE
  • NPT Threaded Male to Female
  • Full port type
  • Application: Heating, circulation, and drinking water distribution systems
  • Stem nut: Steel
  • Ball: 304 stainless steel
  • Working pressure: 1000WOG
  • Working temperature: -20-120°c
  • Handle material: Steel handle with rubber-covered
  • Standard: CE
  • OEM and Custom are available
  • Free samples
  • Free inspection report
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