Warmly congratulate Bern Optics for reaching a good cooperative relationship with our company again. At 3 pm on July 2, our company signed a cold storage contract with Bern Optics again. The cold storage sold this time is a set of high and low temperature cold storage with dimensions: 18250L*8450W*3200H. The cold storage is a sunken cold storage with XPS insulation board and reinforced concrete poured on the floor. The XPS insulation adopts staggered splicing technology with good insulation performance and the effect of preventing ground cold leakage....