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- HG 2011-1991 Rubber Hot Water Bag
- HG 2011-1991
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- HG 5-757-1978 Steel frame agitator (trial)
- HG 5-757-1978
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- HG 3-1465-1982 Chemical reagent diamine hydrogen citrate
- HG 3-1465-1982
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- HG 3-19957-1984 Chemical reagent Nickel nitrate
- HG 3-19957-1984
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- HG/T 3147-1985 Flat bottom and flat top storage tank series
- HG/T 3147-1985
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