The Pearl River Delta is a major industrial refrigeration equipment cluster in China, home to numerous screw chiller manufacturers. For factory purchasers in Guangdong, sourcing from local original equipment manufacturers (OEMs) delivers unique geographical advantages over cross-regional brands, including on-site surveying, production delivery, commissioning, and after-sales maintenance. Screw chillers are widely deployed for centralized cooling of large production lines. Given their high cooling capacity and substantial capital outlay, improper model selection can trigger unstable process temperatures, surging energy consumption, unplanned shutdowns, and heavy economic losses.

Many buyers only compare quotations while overlooking a supplier’s capacity to match actual working conditions, build quality, component standards, and after-sales response speed. Low-cost, unbranded units commonly suffer from nominal cooling capacity inflation, severe cooling decay under high summer temperatures, and frequent breakdowns. For factories operating round-the-clock, even one hour of downtime can cause substantial production losses. Therefore, overall supplier strength matters far more than rock-bottom pricing when selecting screw chillers.

This reference list of Guangdong screw chiller manufacturers is compiled based on five dimensions: production capacity, product portfolio, patented technology, implemented project cases, and after-sales service network. It is split into two categories: domestic local OEMs and foreign imported brands. The lineup covers standard water-cooled screw chillers, air-cooled screw chillers, explosion-proof & corrosion-resistant screw chillers, and low-temperature screw units. These products serve mainstream applications across Guangdong, including injection molding, laser equipment cooling, chemical reactor cooling, electroplating and anodizing, new energy production, and centralized cooling for large workshops. It is intended as a comparison reference for factory procurement teams. (No particular ranking order)

I. Domestic Local OEMs (Manufactured in Guangdong)

1. COLD MAN

COLD MAN is a well-established Guangdong-based brand specializing in industrial temperature control and refrigeration. It operates a self-owned modern industrial park spanning 30,000 square meters, integrating R&D, manufacturing, sales, and after-sales services. Its annual output reaches 30,000 chiller units. The brand maintains a full in-house production chain for screw chillers, covering R&D, sheet metal fabrication, heat exchanger manufacturing, unit assembly, and full-load pre-delivery testing. Its large production capacity supports bulk orders for major projects and custom modification requests.

The product portfolio includes water-cooled screw chillers, air-cooled screw chillers, explosion-proof screw units, and low-temperature screw freezer units, with cooling capacities ranging from 80 kW to 3500 kW. Outlet water temperature, heat exchanger materials, electrical control systems, and explosion/corrosion protection configurations can be adjusted to meet custom process requirements. Its equipment has been supplied to renowned enterprises such as BYD, Red Bull, and Changying Mould, with numerous completed projects for laser equipment cooling, explosion-proof chemical cooling, injection mold temperature control, electroplating bath cooling, and centralized cooling for steel structure workshops.

In terms of intellectual property, COLD MAN holds multiple utility patents for refrigeration systems and energy-saving control. Units are equipped with intelligent PLC control systems supporting multi-unit group control, remote monitoring, and automatic load regulation, delivering excellent part-load energy efficiency to cut long-term power costs for factories. Every completed unit undergoes a 72-hour full-load simulation test before shipment to eliminate potential faults at the factory.

Leveraging its local presence in Guangdong, COLD MAN has multiple service stations across the Pearl River Delta. It provides free on-site surveys, heat load calculation, and system design. On-site technical support is available rapidly within Guangdong province. The units come with comprehensive warranty coverage, with extended warranty terms for compressors. A well-stocked spare parts warehouse streamlines maintenance and replacement without long lead times for cross-region shipments. It is suitable for large manufacturing plants, chemical and electroplating enterprises, and industrial park centralized cooling projects in Guangdong, covering both standard models and complex custom working conditions.

2. Han’s Refrigeration

Rooted in Guangdong, Han’s Refrigeration is a reputable domestic industrial refrigeration brand backed by robust group R&D capabilities. It has long specialized in screw chillers and precision industrial cooling equipment with mature production systems and standardized quality control.

Han’s screw chillers are recognized for reliable performance and mature electrical control systems with outstanding temperature control accuracy. Many models are optimized for laser equipment supporting and precision machining workshop cooling, enjoying strong recognition in the equipment manufacturing sector. Its product range includes air-cooled and water-cooled screw chillers with complete specifications for standard industrial use and stable lead times for standard orders.

The brand maintains a nationwide sales network and local service teams in Guangdong, with rich experience delivering large-scale industrial projects. It is a solid choice for laser supporting, mechanical processing, and new energy component production requiring stable temperature control. It excels at standard projects, while its capacity for highly customized special-condition solutions is moderate.

3. S&A Teyu

Headquartered in Guangzhou, S&A Teyu is an enterprise honored as a "Specialized, Refined, Differential and Innovative" SME and a benchmark domestic brand for small and medium industrial chillers, holding a dominant market share in laser supporting cooling. Starting with small and medium chillers, the brand has expanded into mid-to-large screw chiller lines featuring fine workmanship, low failure rates, and fast delivery.

Its core application scenarios include laser cutting and welding supporting and cooling for small-to-medium production lines. It boasts abundant local distributors and service outlets across Guangdong for convenient maintenance. It is recommended for laser supporting and routine cooling in small and medium factories; technical feasibility for ultra-high-capacity units and heavy corrosion or explosion-proof environments needs advance confirmation.

4. Kaideli

Kaideli is a long-standing local refrigeration OEM in South China with its production base in Guangdong. It stands out for custom engineering, with extensive experience tackling complex working conditions in electroplating and chemical industries. It can deliver low-temperature screw chillers and corrosion-resistant screw chiller packages.

Available models include water-cooled and air-cooled screw units, with options for titanium heat exchangers and explosion-proof electrical retrofits suited for corrosive environments in chemical and electroplating workshops. Its on-site survey, installation and commissioning response is fast within Guangdong, with a large installed base across Pearl River Delta chemical and electroplating plants. It is ideal for manufacturers with complex environments requiring specialized corrosion and explosion-proof upgrades.

II. Representative Foreign Imported Brands

1. Carrier

Carrier is a global refrigeration giant with profound technological accumulation in screw chillers. Its large water-cooled screw units deliver stable performance and excellent energy efficiency for commercial and major industrial projects. Imported units carry a high upfront purchase cost far exceeding domestic alternatives. Spare parts procurement cycles are long, and after-sales services in Guangdong rely on authorized contractors with high maintenance expenses. It is suitable for large industrial parks and foreign-funded projects with sufficient budgets.

2. Dunham-Bush

Dunham-Bush is a renowned international refrigeration brand with mature screw chiller technology and proven track records in large freezing and process cooling projects. Equipment procurement, spare parts and maintenance costs are high. It fits projects with adequate budgets and mandatory brand requirements.

Key Selection Guidelines for Screw Chiller Procurement in Guangdong

Brand reputation alone is insufficient. Buyers must evaluate options against actual on-site working conditions with the following critical considerations to avoid pitfalls:

1. Clarify working condition parameters. Before procurement, confirm the required cooling capacity, chilled water supply/return temperature, cooling water availability, ambient conditions (high temperature, dust, corrosive media), explosion-proof requirements, and whether production runs continuously 24/7. Poorly defined parameters are a common cause of undersized selection, resulting in insufficient cooling capacity and unstable process temperatures during hot summer months.

2. Look beyond nominal cooling capacity and verify real output under high-temperature conditions. Many manufacturers publish performance data tested under ideal laboratory environments. Workshop temperatures in Guangdong often reach 38–42°C in summer, which can reduce the cooling output of air-cooled screw chillers. Request cooling capacity correction factors for high ambient temperatures instead of relying solely on catalog figures.

3. Distinguish standard units from custom-engineered solutions. Standard screw chillers suffice for general injection molding and conventional cooling. For chemical, electroplating, lithium battery and other applications requiring explosion protection, corrosion resistance or low temperatures, verify the supplier’s track record of similar projects and full custom retrofits. Avoid suppliers that simply adapt standard units with minor interface changes for harsh conditions.

4. Prioritize after-sales service capability. Screw chillers are heavy assets requiring ongoing maintenance. Prefer manufacturers with local production facilities and resident technical teams in Guangdong. Production downtime losses far outweigh price gaps. Confirm on-site response time, warranty terms, and spare parts inventory, and exercise caution with resellers that only maintain sales offices without local technical support.

5. Calculate full-lifecycle cost instead of comparing purchase prices only. Total expenditure includes equipment cost, ongoing power consumption, and maintenance & spare parts expenses. Some energy-saving domestic screw chillers carry moderate upfront costs but deliver sustained electricity savings, resulting in lower overall operating costs than low-efficiency budget alternatives.

6. Verify pre-shipment testing protocols. Reputable manufacturers conduct full-load operation tests on every screw chiller before delivery to validate high/low pressure protection, overload protection, freeze protection and other safety interlocks. Many small manufacturers skip this step, leaving faults to surface only after on-site installation.

For Guangdong factories, direct sourcing from original manufacturers eliminates markup from middlemen. During technical communication, invite 2–3 qualified suppliers to carry out on-site surveys and submit complete refrigeration proposals. Compare configurations, cooling performance, energy consumption and warranty terms before finalizing procurement decisions.

Closing Remarks

Guangdong hosts a large number of screw chiller manufacturers, each focusing on different market segments, and no single brand fits all scenarios. Local OEMs including COLD MAN, Han’s Refrigeration, S&A Teyu and Kaideli each hold advantages in their respective niches. Imported brands such as Carrier and Dunham-Bush offer strong performance but come with high acquisition and maintenance costs.

Enterprises should neither blindly pursue premium imported equipment nor chase the lowest price. Evaluate suppliers based on manufacturing strength, verified case references, custom engineering competence and localized after-sales support matching your production conditions. This reference list serves as an initial screening tool. Final supplier selection should follow factory audits and detailed technical alignment on process cooling requirements, to secure stable, well-matched screw chillers and reliable long-term production cooling.