Brief introduction of process package: Provide diazotization, coupling technique and effluent treatment technique. We can also provide the synthesis process of nitrogen, coupling component basing on customer’s request.

Scope of service: Provide integrated technologies for dyes techniques, engineering design, production commission and effluent treatment.

Brief introduction of technique package: Provide manufacturing technique and engineering design for various anthraquinone dyes including B56, B60, R60 etc.

Scope of service: Provide manufacturing technology of anthraquinone raw materials, intermediates and dyes.

Brief introduction of technique package: Provide manufacturing technique for various reactive dyes with wide-range-spectrum of color basing on the requirement of clients.

Scope of service: Provide integrated technology for dyes techniques, engineering design and production commencing.

Brief introduction of technique package: Provide advanced manufacturing technique to reduce the production cost. Provide systematic effluent treatment solution.

Scope of service: Provide manufacturing technique package of highly value-added intermediates of acid dyes including bromamine acid, DASA etc.

Brief introduction of technique package: Provide the technique of the whole manufacturing process, including imidization, fluorination, hydrolysis, decarboxylation, chlorination. Solve the problems of effluent, waste gas and solid waste through resource recycling, reaching “zero discharge” standard.

Scope of service: Our techniques possess various advantages include: high yield, good stability, easy operation and low waste treatment cost.

Brief introduction of technique package: Provide novel manufacturing technique to lower cost and meet waste discharge standard.

Scope of service: Brand-new technique and very low waste discharge.

Brief introduction of technique package: Provide continuous nitration, sulfonation, diazo coupling technique.

Scope of service: Provide complete technique package, including process technique, equipment selection, engineering design etc.

Brief introduction of the technique package: Provide manufacturing techniques of dyes with full-range-spectrum of color.

Scope of service: Provide complete technology service from the manufacturing of intermediates and dyes to the commercialization of dyes.

Brief introduction of technique package: Through continuous nitration and hydrogenation reduction technique to manufacture phenylenediamine.

Scope of service: Provide technique package for the manufacturing of o-phenylenediamine, m-phenylenediamine, p-phenylenediamine.

Brief introduction of technique package: Apply advanced continuous nitration and catalytic hydrogenation technique and equipped with effluent treatment technique to recover and recycle the organic compound.

Scope of service: Provide technique package for major reactive dyes intermediates especially H acid, para-ester etc. together with effluent treatment technique.

Brief introduction of technique package: The nitration extraction and hydrogenation reduction techniques would be applied. Lower the manufacturing cost significantly by replacing T acid separation and reducing the amount of effluent.

Scope of service: Provide manufacturing technique, equipment selection, engineering design.

Brief introduction of technique package: Provide novel manufacturing technique to lower the cost and meet the waste discharge standard.

Scope of service: Brand-new technique and very low waste discharge.

Brief introduction of technique package: Provide competitive technique to lower manufacturing cost and solve “three-waste” problem by resource recycling.

Scope of service: Achieve the complete absorption of chlorination waste gas. Treat hydrolysis of waste acid through resource recycling.

Brief introduction of technique package: Provide organic photo-catalytic oxidation and chlorination technique.

Scope of service: Provide complete technique package, including process technique, equipment selection, engineering design etc.

Brief introduction of technique package: The reduction products are synthesized by using continuous nitration and hydrogenation reduction technique.

Scope of service: Provide technique package for down-stream intermediates of reduction products.

Brief introduction of technique package: Eliminate the production of calcium sulfate solid waste with the improved sulfonation technique. Realize “zero discharge” through absorption of exhausted gas and treatment of waste water produced by absorption.

Scope of service: the products manufactured by the solid-waste-free technique satisfy the industrial standard. The waste water produced by absorption of sulfonation waste gas can be used as raw material.

Brief introduction of technique package: Provide manufacturing technique for various acid dyes with wide-range-spectrum of color basing on the requirement of clients.

Scope of service: Provide integrated technologies for dyes techniques, engineering design and production commencing.

Brief introduction of technique package: Provide continuous nitration technique for the manufacturing of 2, 4 – dinitrochlorobenzene. The waste acid would be recovered and recycled.

Scope of service: Provide technique package including process technique, equipment selection, engineering design etc.

Brief introduction of technique package: Provide novel manufacturing technique to lower the cost and meet the waste discharge standard.

Scope of service: Brand-new technique and very low waste discharge.

Brief introduction of technique package: Provide hydrogenation reduction technique and transferring iron powder reduction technique into hydrogenation reduction technique.

Scope of service: Provide hydrogenation reduction technique, engineering design and implementation, and catalysts reactivation technique.

Brief introduction of technique package: Provide heterogeneous tubular loop reactor technique for reactions such as sulfonation, chlorination etc.

Scope of service: Provide complete technique package, including process technique, equipment selection, engineering design etc.