“干一行就得钻一行，精一行”，这是石瑞峰常说的一句话。 １９９６年５月，七一一矿军转民支柱产业郴州电化厂ＰＶＣ工程冷冻室出现渗漏现象，必须尽快进行高精度焊接。因技术难度太大，专程从外地请来的技术专家经过一整天的全力焊接，仍未成功。眼看ＰＶＣ糊树脂的生产就要 “Dry line has to drill a line, fine line”, which is Shirui Feng often say a word. In May 1996, the leakage of PVC project freezer in Chenzhou Electrochemical Plant, the pillar industry for the transfer of coal in the Sept.11 Coal Mines, had to occur and the welding with high precision must be carried out as soon as possible. Due to the technical difficulty is too large, made a special trip to come from outside the technical experts after a full day of welding, still not successful. See PVC paste resin production is necessary