100% quality control for every process

Credit first, customer foremost, satisfactory quality and on-time delivery. We are willing to cooperate with you sincerely and develop hand in hand for a new journey in the industry.

2 Automated Spraying Lines
Full-process quality control
Tailored Solutions
Custom OEM/ODM plastic processing
drop glue + PU oil & more

quality control in line with international standards

Endorsed by a comprehensive range of national and industrial authoritative qualification certifications, we have solidly laid a rock-solid and unshakable foundation of stringent quality management and sincere good faith operation, strongly empowering in-depth, stable and long-term global cooperation and win-win development with all partners.

Suspended HFC‑227ea Clean‑Agent Fire‑Extinguishing Unit

High‑Pressure Carbon‑Dioxide Automatic Fire‑Suppression System

Perfluorohexanone (Novec 1230) Fire‑Detecting‑Tube Suppression Device

Perfluorohexanone (Novec 1230) Fire‑Detecting‑Tube Suppression Device

Standardized QC System

AAA integrity supplier certification, establish enterprise with trust, more assured cooperation.Supported by authoritative QC certification, quality control in line with international standards.Endorsed by a number of authoritative certificates, complete qualifications and proven strength.

Non Fried Instant Noodles Production Line

Qian Qing Long

Multi-process Plastic Products

Qian Qing Long

High-End Coating Products

Durable Industrial Plastics

Exquisite Laser Carved Parts

Custom Molded Components

High-End Coating Products

Qian Qing Long

High-precision industrial equipment, realizing 0-error processing & 2x production efficiency improvement.

Made with strict QC

Multi-scenario adaptive plastic parts, industrial-grade quality, strong adaptability

Perfect details meeting diverse needs

Dongguan Qian Qing Long Electronic Co., Ltd. employs industrial-grade injection molding technology to achieve precise, compact shaping, resulting in products with superior structural integrity and stability.