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JJJvac

Post-ProcessingQidong, ChinaFounded 2018· One of 153 Post-Processing companies tracked by AMPulse

Manufactures ultra-high vacuum heat treatment and sintering furnaces for metal additive manufacturing, enabling precise stress relief and density optimization to achieve aerospace-grade mechanical properties in 3D printed components.

Team Size
51-200
Stage
Active
Total Funding
$170M
Latest Round
Series C
Key Investors
Matrix Partners China; Qiming Venture Partners; Hillhouse Capital; Aplus Capital

Technology & Products

Key Products

Vacuum Heat Treatment Furnaces; Vacuum Sintering Furnaces; Vacuum Brazing Furnaces; Vacuum Welding Furnaces

Technological Advantage

CLAIMED: High-precision temperature control and ultra-high vacuum stability for consistent AM part properties. VERIFIED: Patent CN119807997A for high-vacuum furnace manufacturing process optimization, improving efficiency. DEFENSIBLE: Trade secrets in vacuum chamber design and thermal management.

Differentiation

Value Proposition

Delivers precise vacuum heat treatment and sintering solutions that eliminate porosity and relieve residual stresses in 3D printed metal parts, improving mechanical consistency while reducing post-processing costs compared to imported European systems.

How They Differentiate

Offers localized, cost-competitive vacuum heat treatment solutions tailored for Chinese AM service bureaus, with faster deployment and maintenance cycles compared to IPSEN and SECO/WARWICK, while maintaining comparable vacuum stability for aerospace-grade parts.

Market & Competition

Target Customers

Metal 3D printing service bureaus, aerospace OEMs, and industrial manufacturers requiring post-processing for AM parts.

Industry Verticals

Aerospace; Semiconductors; New Energy; Medical Devices; Industrial Manufacturing

Competitors

IPSEN; SECO/WARWICK; ALD Vacuum Technologies

Growth & Milestones

Major Milestones

2018: Established Qidong production base and subsidiary; 2024: Filed patent for high-vacuum furnace process optimization; 2026: Exhibiting at TCT Asia as AM post-processing solutions provider