Kangside boasts a modern production base spanning 10,400 square meters, equipped with a Class 100,000 GMP cleanroom and a CNAS-certified laboratory and testing center. This forms a complete production system covering R&D, manufacturing, and quality control, providing stable and compliant OEM/ODM manufacturing services to global brand clients.
Against the backdrop of increasingly stringent global regulations and intensified competition, Constar remains committed to its core strengths of proprietary factories, manufacturing capabilities, and quality systems, continuously improving its delivery capabilities and compliance assurance levels. We sincerely invite global brand customers to visit our factory for tours and guidance, and to jointly explore long-term, stable OEM/ODM cooperation opportunities.

1. Modern production base
Located in Shenzhen's Bao'an District, the city known as the "Technology Capital," and adjacent to Shenzhen Bao'an International Airport, the company enjoys a prime location. It integrates R&D, manufacturing, and quality control functions, possessing industry-leading automated production capabilities that can meet customer needs at different stages, from small-batch testing to large-scale mass production.The factory is equipped with 19 specialized production lines, employs 2,000 people, and has a daily production capacity of up to 1 million pieces.The factory is equipped with a 100,000-grade GMP cleanroom production workshop, and the production environment fully meets food-grade standards, effectively controlling microbial and dust contamination and providing reliable assurance for product quality.


2.Quality Management System
We have established a comprehensive and traceable quality management system that covers the entire process from raw material procurement and manufacturing to finished product shipment. All critical processes are subject to standardized procedures and multiple testing mechanisms to ensure that every batch of products meets the requirements for stability, consistency, and safety.


3.Why choose Consta for OEM/ODM?
We have our own factory, which gives us a significant advantage.
Leveraging its experience with its own brands, Conster better understands market and brand needs; its own factories ensure stable cooperation and efficient communication, and its comprehensive qualifications and compliance system allow clients to focus on market and brand development.
Flexible production, responsive to changing demands.
Constell has 19 automated production lines, offering efficient and flexible rapid changeover capabilities. This allows us to support customers with small-batch trial production and validation, as well as handle large-volume orders, helping them quickly respond to market changes.
Research and development design team
Consd has an experienced R&D and design team, with dozens of senior engineers providing in-depth support for OEM/ODM product development.
Authoritative certification, guaranteed quality.
As the industry moves towards standardization, professionalization, and sustainability, Conster leverages its strong manufacturing capabilities, rigorous quality system, and extensive production experience to provide brand clients with high-quality, cost-effective products.
We sincerely invite global brand clients to visit our factory for tours and guidance, and to collaborate with us to create a brighter future together!
