News

A selection engineer's guide to worm gearbox efficiency. Understand how ratio, lead angle, lubrication, and load affect actual efficiency and heat generation in real applications.

A tribology engineer's guide to selecting modified PTFE sheets for low-friction applications. Compare graphite, carbon, bronze, and glass fillers for wear rate, friction, and thermal performance.

Across China, aerosol cosmetics are quietly changing course. The shift isn't only about how products look on a shelf; it's about what goes inside the can and what happens after it's sprayed. Shoppers increasingly want formulas that perform without leaving a heavy footprint, and one factory is answer......

A 96-Cavity 29 25 Neck Pet Preform Mould With Needle Valve Gate is a substantial capital investment, and its service life depends heavily on disciplined maintenance. At Daelong, we have supported PET producers across more than 40 countries in keeping high-cavitation tooling running reliably for mill......

An HVAC design engineer's guide to split-type industrial air conditioners for complex electrical room layouts. Understand heat load, indoor unit placement, and airflow design.

A sealing engineer's guide to modified PTFE sheets for industrial sealing. Understand creep resistance, cold flow, and chemical compatibility for flanges and gaskets.