Jinsh Company built up an integrated system of supervision & control, measuring & testing equipment, and quality assurance from raw materials, semi-finished goods to finished goods.

We have gone through the GB/T 19001-2016/ISO 9001:2015 quality system certification. International standard on management has been achieved in production management, quality control, safe operation, technology development, occupational health, product sales, logistic statistics and customer service.

TEST ONE-Take sample of raw materials;

TEST TWO-Purchase qualified raw materials;

TEST THREE-Put in storage Calcining of petroleum coke;

TEST FOUR-Put in storage Calcined coke crushed to powder;

TEST FIVE-Pitch preparation test Pitch processing;

TEST SIX-Cool material test Batching Kneading;

TEST SEVEN-Forming test First Baking;

TEST EIGHT-Impregnation Second Baking;

TEST NINE-Graphitization test Machining;

TEST TEN-Finished product storage;

TEST ELEVEN-Packing Deliver goods.