Frequently Asked Questions

DUDI (Dudi (Zhejiang) New Materials Co., Ltd.) is a manufacturer founded in 2022. Our production base covers 20,000 m² in Pujiang County, Jinhua City, Zhejiang Province, with an annual capacity of 200,000 tons. Factory visits and online audits are welcome.

We actively serve Southeast Asia, the Middle East, Central Asia and Africa, and work with distributors, converters and engineering contractors in these regions.

Our three core business sectors are high-end organic silicone sealing materials, silane coupling agents and hot-melt pressure-sensitive adhesives. Sealant grades cover construction (curtain wall, windows and doors), industrial assembly and photovoltaic applications, in both single- and two-component systems.

Yes. We support custom branding, packaging and formulation for distributors, converters and engineering projects. Share your target application, market and packaging idea, and our technical team will propose a solution.

Yes. OEM cartridges, sausages and carton printing are available. Minimum quantities depend on the product and packaging format — contact us with your requirements for a specific quotation.

Yes. Samples are available for evaluation so you can test adhesion and curing on your actual substrates. Tell us the product model and your application, and we will arrange samples and documentation.

Yes. Our management systems are certified to ISO 9001, ISO 14001 and ISO 45001. Product type-test reports cover GB 16776 (structural glazing), GB/T 14683, GB/T 29595 (PV modules) and fire-performance standards, plus REACH SVHC, RoHS, FDA food-contact and French VOC A+ documents. All public reports are downloadable on our Quality Reports page, and English MSDS is available on request.

Tell us your substrates, joint design, movement expectation, exposure conditions and curing preference. Our technical team will recommend a suitable grade — for example structural glazing vs weather sealing, or neutral vs acetic cure — and provide the matching technical data.

MOQ depends on the product, packaging format and whether OEM customization is required. Contact our sales team with your target models and quantities for exact terms.

Standard options include 300 ml cartridges and 590 ml sausages, with carton packing. OEM packaging designs are supported. Product pages list the packing details for each model.

Payment and delivery terms are confirmed in the sales contract for each order. Contact us with your requirement and destination port for a quotation.