Wenzhou Ruiming: Build a World-class Auto Parts Enterprise

In China, one out of every five passenger cars uses an enginecylinder head made by Ruiming.  

Since its establishment in 1995, Wenzhou Ruiming Industrial Co.,Ltd. has devoted to the research and development of engine cylinder heads.After more than 20 years of business growth, it now has become the national leader in the industry. In 2017, it produced 5 million sets of cylinder heads,representing some 20% of domestic market share. In addition, the overall cylinder head external defective rate is merely 0.3%, among some of the best in the world.  

Today, Wenzhou Ruiming has grown to be a leading company in China’s automobile engine components manufacturer with independent R&D capability and occupies an area of approximately 58 acres. It has established R&D bases in Liuzhou and Shanghai, supplying products to 95% of domestic, joint ventures, and foreign auto brands. However, the more successful the enterprise is, the stronger sense of crisis it feels. As the Deputy Managing Director, Mr. Chen Yizhao said, the engine cylinder heads are primarily molded through gravity casting. Wenzhou Ruiming has had this process fully developed. While the trend for new energy vehicles and lightweight is emerging, Wenzhou Ruiming will increase its investment in high pressure die casting and low pressure casting processes for new growth.  

Vigorously develop die casting business

As die-casting is one of the mainstream processes for new energy vehicles and lightweight trend, Wenzhou Ruiming has already had its blueprint.It has successively purchased more than 50 300T to 650T die-casting machines from Yizumi for production of pump casing, rear oil seal cover, and thermostat housing, etc., supplying for customers including Geely, SGM, and BAIC.  

“Die casting will be the area that Ruiming will invest heavily inthe future.”  Mr. Chen admitted that under the dominant trend towards newenergy and lightweight, die-casting will be widely used for auto parts,especially the battery pack cover and auto body structural parts.  Based on the previous die casting technology reserves, Wenzhou Ruiming is going to launch the large tonnage die-casting equipment project this year by acquiring several 1650T, 2500T, 3500T heavy-duty die casting machines for the production of engine block and parts used in new energy vehicles.  

In addition to the investment in new equipment, Wenzhou Ruiming isalso aiming to strengthen industrial chain collaboration. Mr. Chen Yizhao said,“Before we decided to purchase Yizumi heavy-duty machines, both parties have gone through intensive technical communication and discussions. We focused onthe integration of resources of each partner, including auto customers, mold,die-casting machine, auxiliary equipment, colleges and universities, etc. sothat we can make joint efforts to improve our abilities in problemsolving.”  

In order to prepare for the new opportunity in the auto industry,Wenzhou Ruiming is planning to increase the industrial park by 63 acres andinvest some 324 million dollars to build the nation’s first-class “Ruiming Group Intelligent Industrial Park for Lightweight Automobile Key Components”.  

Invest USD 30 million to create an intelligent manufacturingsystem

While the automobile industry continues the innovation and upgrading, intelligent manufacturing has also become a new terrain that auto equipment industry is after. In Wenzhou Ruiming’s blueprints, intelligent manufacture is an integrated part. In 2016, it launched the construction of its intelligent manufacturing system that requires a total of USD 30 million investments. Currently, a number of functional modules have been put into use.It is estimated that when the new project is in place, it will raise the enterprise productivity of Ruiming by more than 33%, while reducing the operating cost by more than 27%, shortening the product development cycle bymore than 40%, lowering the product defective rate by more than 23%, and improving the energy yield by more than 19%.    

Mr. Chen Yizhao said, “Ruiming will also import the MES system to establish a three-dimensional warehouse. By collaborating with the ERP system,it will digitize every stage of the production along the entire process fromraw materials to the finished goods, automatically allocate production resources and schedule production activities, and realize the intelligent balancing of production, supply and marketing throughout the manufacturing system.”  

“Nowadays, China’s domestic manufactured equipment is makingfast progress with very stable machine quality. The majority of die casting equipment in Wenzhou Ruiming’s machinery fleet are domestically made. Our company has collaborated closely with Yizumi for seven years now. Yizumi’s die casting machines fully meet our requirements to the products and productivity,with fast response and great aftersales services. We believe that they will do even better in the upcoming future. ”  

— Chen Yizhao, Deputy Managing Director Wenzhou Ruiming