1970-1979
发展历程
This period was an important production development stage of Sanjin, during which the plant expansion was basically completed, the processing facilities were fabricated according to processes at different levels, the skills of our workers were significantly improved, especially the processing and assembling techniques became developed. In addition, process frocks were introduced to improve processing efficiency. The company became the only glass bottle machinery manufacturing enterprise in China.
  • 1973

    In 1973, according to the (73) Qing Ji Zi No. 32 document issued by the Ministry of Light Industry, our company decided to independently develop QD6 IS bottle making machine based on QD4 model and modify its material feeder based on the 3240A model.

  • 1977

    In December 1977, the QD6 bottle making machine independently developed by our company passed the verification in Yantai, and its scaled production was approved.

  • 1978

    In March 1978, we introduced 8-group double material drop bottle making machine from the United States for surveying and mapping.

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