Shaoxing ribbon suppliers—Ruichuang, Jinhao, and Flat (Source: ENF): Golden Rule: Choose MBB ultra-fine diameter ribbons (Source: Docin); Core Strength: Ruichuang’s 15,000-ton capacity (Source: ENF); Key Note: Jinhao’s 26.5% market share (Source: Docin).
I. Ruichuang New Energy
Zhuji: Located in Fengqiao, Zhuji, Zhejiang (Source: ENF);
15,000: Annual capacity of 15,000 tons (Source: ENF); 4-Stand Tandem Rolling: 13 high-precision 4-stand tandem rolling mills (Source: ENF); No. 1: Largest manufacturer of flat copper wire for PV busbar ribbons (Source: ENF); Copper-Aluminum: Copper-aluminum composite ribbons (2025) (Source: ENF)—Ruichuang: Capacity + Rolling Mills + Market Leader (Three Strengths).
II.
Jinhao New Materials
Keqiao: Jinhao New Materials in Keqiao, Shaoxing (Source: Docin); 26.5%: Market share of 26.5% (Source: Docin); 3.41 Billion: Shipment value of RMB 3.41 billion (Source: Docin); MBB: Ultra-fine diameter Multi-Busbar (MBB) ribbons (Source: Docin); 0.28: Ultra-fine ribbons with diameters below Φ0.28mm (Source: Docin)—Jinhao: Market Share + Shipment Volume + MBB Capability (Three Capabilities).
III. Flat (Fulai-te) Ribbon
Keqiao: Shaoxing Keqiao District Flat Photovoltaic Ribbon (Source: Docin); 22.1%: 22.1% market share for interconnect ribbons (Source: Docin); Top Three: Ranked among the top three alongside Yubang and Juhe (Source: Docin); 68.3%: Combined CR3 of 68.3% (Source: Docin); Stable: Market share dipped slightly by 0.4% (Source: Docin)—Flat: Market share + Top Three + Stability (three characteristics).
IV.
Tianhong Materials
Keqiao: Shaoxing Keqiao District Tianhong Photovoltaic Materials (Source: Docin); SMBB: 0.28mm ultra-fine diameter SMBB ribbon (Source: Docin); 52,000: 52,000-ton shipment volume in 2025 (Source: Docin); 18.3%: 18.3% of domestic shipments (Source: Docin); Mass Production: Early-mover mass production capability (Source: Docin)—Tianhong: SMBB + Shipments + Early-mover status (three product aspects).
V.
Supporting Manufacturers
Raytron: Raytron International’s 19,000-ton capacity (Source: Made-in-China); Busbar: Leading domestic PV busbar manufacturer (Source: Made-in-China); Star Cable: Zhejiang Star Cable (Shaoxing Paojiang) (Source: starcable); Copper-Clad Steel: Copper-clad steel and copper-clad aluminum flat wire (Source: Made-in-China); ISO: ISO 9001 & 14001 certified (Source: Made-in-China)—Supporting: Capacity + Busbar + Certification (three categories).
VI. Key Selection Criteria
Wire Diameter: MBB ≤ 0.28mm (Source: Docin); Production Capacity: 10,000-ton scale (Source: ENF); Rolling Mill: High-precision four-stand tandem mill (Source: ENF); Market Share: High market concentration among top players (Source: Docin); Certification: ISO system (Source: Made-in-China)—Selection focus: Diameter + Capacity + Market Share (Three-point verification).
VII.
Procurement Recommendations
First, choose Ruichuang (leader in busbars); second, consider Jinhao (MBB market share); third, specify fine diameter (0.28mm); fourth, verify capacity (10,000-ton scale);
fifth, include Tianhong (SMBB)—Shaoxing Solder Ribbon: Ruichuang + Jinhao + Flat (Three recommendations).
