Investment casting technology, soluble glass technology and process.
Materials: Steel, carbon steel, gray iron, stainless steel, structural alloy steel and aluminum alloy
Steel, iron, aluminum, brass and bronze alloys according to DIN, ASTM, ISO, BS, JIS, SS and GB standards
Techniques: Silica sol/soluble glass process
Machining: Center, CNC, conventional, numerical lathe, milling machine, planer and grinder
Surface treatments: Shot blasting, hot-dipped, electrical, chemical galvanizing, tumbling, powder coating, painting, polishing and vitrifying
Casting facility: Electric stove
Quality control: Chemical analysis, mechanical properties for tensile strength, yield stress, elongation, impact, pressure testing, 3-D coordinate CMC, metallography and magnetic particle flaw inspection
Applications: Trailer coupler, industrial, machinery, building, valve parts and mining machine
Customized packings are accepted
Ningbo DSW International Co., Ltd. Established 1998, specialising in producing fire extinguishers, ABC dry powder fire extinguisher, ABC dry chemical fire extinguisher, CO2 fire extinguisher, sprinklers systems, fire hoses, fire hydrant& hose fitting brass die casting.
DSW always keep quality, service and cost as core, it has passed ISO9001 International Quality system and European CE Quality system as well as the test of Union EN-3. In order to ensure hight quality of products, every piece fire extinguishers and accessories pass 15 step test, before every shipment, sending Test report and loading pictures to our customers.
Through the efforts of both Domestic and International sales forces, DSW has emerged as the premier name for fire protection products. 80% of DSW products has been exported to different countries and regions, such as South America, Europe, Asian, Middle East etc.
