Other reducers available for the preparation of colloidal gold solutions are oxalic acid, sulphurous acid, glycerol, sodium hypophosphite, formaldehyde, hydrazine hydrate, acetylene, phenylhydrazine hydrochloride, sodium hyposulphite, a mixture of carbon monoxide and dioxide, an alcoholic solution of phosphorus, alcohol, oil of turpentine
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Machine Machinery is a high-tech enterprise integrating R&D, production, sales and service. It is the production and export base of intelligent mining machinery in China.
Provide customers with product customization services and help design production lines for free to reduce costs and increase efficiency.
Introduce advanced technology and craftsmanship, and more than 160 R&D personnel continue to innovate to promote product upgrades