The Matsuyama team has established long-term and close cooperative relationships with more than 200 fastener benchmark companies in Japan.        
A complete supply chain has been established to fully respond to the demand for high-end products.        
We always implement the purpose of customer first and pursue the best customer service.  
Songshan people who are proficient in professional knowledge provide not only products, but also [trust] and [technology].

Trust: It is the mission of Songshan people to provide customers with long-term [reassuring service] and gain [trust] from customers. It is the responsibility of Songshan people to carry out the matters negotiated by both parties in advance on time and thoroughly.
Technology: Not only provide the [highest quality] products produced with [the most advanced technology] and [the most advanced equipment]. And [senior professionals] provide technical services to customers and solve technical problems for customers.        
        
Companies owned by Songshan Team        

1. Matsuyama Corporation (Tokyo)        
2. Songshan Sanyi Industrial (Shenzhen) Co., Ltd. (Shenzhen)        
3. Songshan Sanyi Co., Ltd. (Hong Kong)        

Our company's logo is formed by stacking three [W] and rotating them 90 degrees counterclockwise.    
Build a win-win relationship of WIN (customer)-WIN (supplier)-WIN (us),    
Create value for trading companies.    
Build a win-win relationship of WIN (company) - WIN (shareholders) - WIN (employees),    
Enable employees to enrich their lives through company growth.

★Honest and trustworthy★
Don’t hide your true thoughts, don’t lie, and don’t cheat.
Be trustworthy, keep your promises, and be faithful to your obligations.
Free from negative external influences. Be honest

★Unrimitting efforts★
Be persistent and persevere in doing things.
Employees must be enthusiastic, persistent and dedicated.
Don’t be too troublesome or afraid of difficulties, actively participate in things that are beneficial to the company, and work tirelessly.

★Pursue your dreams★
Make the brand "Songshan Sanyi" synonymous with "ultra-high-end machined parts", "high-end springs" and "high-end fasteners".
Employees' dreams are fulfilled by achieving the company's goals.