refill lead(gel pen lead)

Tin Zinc Lead Bronze Rod The tin-zinc-lead bronze produced by our company can be used in pipelines, valve fittings, seawater-resistant parts, manufacturing sleeves, bearing pads, piston clutches. Tin-zinc-lead bronze is also known as automobile bronze, suitable for gravity ...

Come From Ningbo Jintian Copper (Group) Co., Ltd

Hydroxypropyl methylcellulose (HPMC) is made of refined cotton after being pulverized, then reacted with sodium hydroxide (liquid caustic soda) solution for alkalization, then added methylene chloride and propylene oxide for etherification reaction, and then passed through ...

Come From Hebei Yida Cellulose Co., Ltd.

VXO Linear Technologies offers manufactures a wide array of lead screw nut and acme lead screw nut options in materials including POM, Peek, Torlon, Acetal and Nylon, and metal - including bronze, brass, stainless, and alloy steel. We offer anti-backlash nuts, sleeve nuts, ...

Come From SCREW TECHNOLOGY CO., LIMITED