About us
Company profile
We are an One-stop Solution Provider for OEM&ODM Medical grade products.

We have:

  • ±2,500㎡ Dongguan smart manufacturing base

  • Singapore overseas operations center

  • North American representative office

Core Production Technologies

  1. Precision Injection Molding
    • Sodick all-electric machines (450T/300T/200T/100T)
    • ±0.01mm tolerance, cleanroom-compatible
    • MES system integrated

  2. Medical-Grade Extrusion
    • 316L stainless steel systems
    • 0.22mm±0.01mm micro-tubing production
    • pH1-14 chemical resistance

  3. SMT
    • Full SMT line (CHM551 pick-and-place)
    • 8-zone reflow oven
    • Medical PCBA specialization

  4. Advanced Welding
    • Laser welding for precision joints
    • Ultrasonic welding for cleanroom applications

Specializations
• CAR-T cell therapy equipment
• Microfluidic module design


Development History
    • 2015
    • 2023
    • 2025
Kingsin was established in 2015 as a product development firm. In 2023, we transitioned into providing biomedical product prototyping and small bench production. In 2025, we added a brand-new facility to meet the growing production demand from our customers. Our manufacturing management team has an average of 15+ years of experience in biomedical product manufacturing. With state-of-the-art equipment, facilities, tools, and management systems, we are well-equipped to deliver high-quality biomedical products to customers around the world.
Professional R&D Team
Engineering & R&D Team
Our Engineering & R&D team consists of senior experts in mechanical, electronics, and biomedical engineering. We provide comprehensive development services from concept validation, structural design, material selection to pilot production. Well-versed in international regulations (e.g., ISO 13485, FDA 21 CFR) and biocompatibility standards, we help clients accelerate their ideas into manufacturable, compliant products.
Production & Assembly Team
Our production and assembly team operates in ISO Class 7 cleanrooms, ensuring that all key processes are carried out in a contamination-controlled environment. Every staff member receives standardized SOP training and regular skill and quality awareness upgrades to ensure consistent and precise execution.
Quality & Inspection Team
Our Quality & Inspection team oversees the entire quality control process—from incoming material inspection to in-process checks and final product release. This includes dimensional, functional, electrical, and microbiological validation. Equipped with physical/chemical and microbiological labs, we support clients with sterility validation, purified water testing, and other critical compliance verifications, ensuring each batch meets stringent regulatory standards.
Kingsin values
Responsibility

Taking responsibility

Showing respect to others

Being skilled at our jobs

Believing in what we do

Delivering what we promise

Improvement

Always looking for a better way

Not blindly doing what we are told

Loyalty

Being open and honest

Always follow your heart

Stay loyal to clients

Passion

Maintaining a positive outlook

Keeping balance in our lives

Playing a little every day

No. 4 Xinxi Road, Science and Innovation City, Dongguan, Guangdong, China