docs: add industry and value-chain research template

Cai

2026-08-24 156ea25b402479f0abc54c558bbf87f9eaaa0422

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{"rc":0,"data":{"code":"001270","name":"铖昌科技","klines":["2026-07-31,92.00,92.56,94.00,91.50,123456,1140000000,0,0,0,0"]}}