Is Shanghai Rongrong tired of new materials?

Shanghai Rongrong is tired of new materials. Shanghai Rongrong New Materials Company is engaged in technology development, technology transfer, technical consultation and technical services. Production of refractory materials. Refractory sales. No matter which project needs a large number of staff, the staff's work is extremely complicated, the working hours are long, and they need to learn basic operations in a short time, so Shanghai Rongrong is tired of new materials.