Tel: Shine Zhao +86 198 9355 7155
Sophie Li +86 153 3207 6250

E-mail: zhaozhongshan@gsnbwhg.com
sophie@gsnbwhg.com



Time: 9am to 21pm

About Us

Gansu Nabowang Chemical Products Co., Ltd

. Gansu Nabowang Chemical Products Co., Ltd. (NBWCHEM), established in 2018, is a Chinese manufacturer of dimethyl disulfide (DMDS) and sodium sulfide.

Our factory is located in the Baijianhu Salt and Nitrate Chemical Industrial Zone in Minqin County, Gansu Province, northwest China. We operate our own production facilities and employ 110 people. With dedicated DMDS and sodium sulfide production lines, our annual production capacities are 10,000 metric tons of DMDS and 50,000 metric tons of sodium sulfide.

Manufacturing and Product Range Our core manufactured products include 99.5% DMDS and industrial-grade sodium sulfide. We also supply caustic soda, potassium hydroxide, sodium hydrosulfide, sodium silicate, methyl isobutyl ketone (MIBK) and other industrial chemicals.

Our products serve customers in refining, petrochemicals, mineral processing, metallurgy, chemical synthesis, and textile processing. Product grades and specifications are selected according to each customer’s application requirements. Factory, production-line and equipment photographs, together with production information, are available to help customers evaluate our manufacturing capabilities. Quality Verification and Export Documentation We offer third-party inspection before shipment, with the inspection scope and acceptance criteria agreed before dispatch. Export documentation support includes customs declarations and Certificates of Origin, subject to the requirements of each shipment. To support supplier evaluation, we can provide selected loading photographs and redacted export records while protecting customer confidentiality. These materials help buyers review our shipment experience and delivery arrangements.

The Loading of DMDS

Our products serve customers in refining, petrochemicals, mineral processing, metallurgy, chemical synthesis, and textile processing. Product grades and specifications are selected according to each customer’s application requirements. Factory, production-line and equipment photographs, together with production information, are available to help customers evaluate our manufacturing capabilities. Quality Verification and Export Documentation We offer third-party inspection before shipment, with the inspection scope and acceptance criteria agreed before dispatch. Export documentation support includes customs declarations and Certificates of Origin, subject to the requirements of each shipment. To support supplier evaluation, we can provide selected loading photographs and redacted export records while protecting customer confidentiality. These materials help buyers review our shipment experience and delivery arrangements.

Export Records of Gansu Nabowang Chemical Products Co., Ltd.

Our DMDS has a one-year shelf life, subject to the storage conditions specified in the product documentation. Packaging and Delivery We supply DMDS in galvanized steel drums, IBC containers and ISO tanks, with a minimum order quantity of 1 metric ton. Stock is available, and dispatch is generally arranged within 10–15 days after order confirmation, subject to stock allocation, packaging and transport schedules. This period refers to dispatch preparation rather than arrival at the destination. Depending on the product and shipping arrangements, exports can be routed through Tianjin, Qingdao and Shanghai ports, or land ports such as Alashankou.

The appropriate route is confirmed for each order. Discuss Your Chemical Supply Requirements Whether you require DMDS, sodium sulfide or other industrial chemicals, please share your required specifications, quantity, packaging preference and destination. Our team will confirm product availability, documentation, inspection options and delivery arrangements before preparing your quotation. CONTACT US