SJM is targeting Product Quality No.1. It is leading Korean Expansion Joint market with constant tech. Development and investment, and challenges the fields of high precision and super low temperature aggressively and have a chance to domesticate our product.

SJM is developing the forming technology to satisfy all kinds of extreme design conditions, such as Specialized Convolution Shape Forming technology like Multi-layer and Omega type, and is accumulating the standard and specs of designs to commercialize the technology through Prototype testing and Computer Simulations. Various forming and welding technologies applicable to Titanium material, Aluminium material, and NI-CR-MO alloy material are proceeding to commercialized technology through company's own test & analysis capability and Metallogy Verification by industry-academy collaboration system.

Expansion Joint for super low temperature used for LNG Transportation Ship requires the analysis tech about Metalloy Verification and Wave induced displacement according to super-low temperature of materials, and our company is conducting procedures to get Type approval suitable to each client requirements. Flue Gas system in Fluid Catallstic Cracking Plant is working up to above 760 degree, so the lay-out for satisfying the process of all Licensers' company calls for use of Expansion Joint. We are developing the method of analysis, such as Heat Transfer Analysis and Differential Thermal Stress Analysis among Attachments so as to design this super high temperature Expansion Joint - with hot or cold wall design conception.