What is the product structure of DONPER Compressor?

Dongbei Compressor's product structure is organized around the core logic of “power range + application scenarios,” forming a framework centered on household applications, supplemented by commercial and specialty uses, and expanding into emerging fields. This can be broken down into four dimensions: product series, power coverage, technology type, and application compatibility:
I. Classification by Core Product Series (Mainstream + Expansion Series)
Household Basic Series (Sales Core)
D Series, S Series, W Series: Low power (primarily 1/8~1/2HP), compact size, low noise, suitable for small household refrigeration equipment like water dispensers, mini-refrigerators, and car refrigerators.
L Series: Medium power (1/3~1HP), featuring strong start-up performance and excellent low-temperature stability. The primary series for household refrigerators and standard freezers.
Commercial Specialized Series (Key Expansion)
CJ Series: Designed for commercial display cabinets, ice cream machines, and commercial kitchen refrigeration equipment. Power range: 1~3HP, emphasizing continuous operation reliability.
CT Series: Designed for commercial refrigerators and freezers, supporting medium-to-high load conditions. Select models feature energy-saving optimization.
Specialized High-End Series (Technological Breakthroughs)
Deep-Freeze Compressor Series: 2–5HP power range, suitable for low-temperature storage scenarios from -40°C to -86°C. Select models meet ultra-low temperature requirements down to -200°C, used in medical deep-freeze cabinets and biological sample storage equipment.
Emerging Applications Series (New in Recent Years)
Rotary Specialized Series: Designed for mobile air conditioners, dehumidifiers, and heat pump dryers. Power range: 0.5–2HP. Emphasizes miniaturization and inverter compatibility.
II. Classification by Power Coverage Range (Full-Scene Compatibility)
Low-Power Segment (≤1HP): Highest share (approx. 60%), primarily for household refrigeration equipment. This is Dongbei's traditional strength, featuring mature products with outstanding cost-performance.
Mid-Power Segment (1~3HP): Approx. 30% share, serving both commercial retail (e.g., convenience store display cabinets) and medium-to-large household appliances (e.g., large-capacity refrigerators). Gradually increasing inverter adoption.
High-Power Segment (≥3HP): Accounts for approximately 10%, concentrated in specialized deep-freeze and small-scale industrial refrigeration applications. Features high technical barriers and relatively low production volumes.
III. Classification by Technology Type (Traditional + Energy-Efficient Parallel Development)
Fixed-Speed Compressors: Approximately 65% market share. Characterized by mature technology and low cost, covering basic household models and entry-level commercial equipment. Currently the mainstay of sales volume.
Inverter compressors: Approximately 35% market share, covering 0.5~3HP power ranges with leading energy efficiency metrics (some models achieve COP 2.18). Primarily supply mid-to-high-end residential air conditioners, inverter refrigerators, and commercial energy-efficient equipment. Showing rapid growth in recent years but still below the industry average penetration rate.
Deep-Freeze Specialized Technology Models: Incorporate core technologies like double-suction valve assemblies. These are premium-priced products with low production volume but high added value.