Started from 1998 Kingstar Int'l Enterprise Ltd. has evolved from nurturing a group of prestigious OEM clients (Ritter,TKL etc.) to launching its Crossrock™ brand product to the international market. Kingstar now manufacturing and supplying Crossrock™ Gig Bags & Cases for music instrument for guitar, drum, woodwind, brass, keyboard, cello, double bass, amplifier and accessories.

As a former OEM manufacturer who made instrument cases for the biggest case companies in the industry - and has brought all of it's capabilities under one new brand name. Besides an offering of 4 levels of gig bags, Crossrock also provides high-quality poly-foam, flat and archtop plywood, and ABS molded cases. In addition to these more common models, Crossrock has also developed several models of instrument cases using more durable, but lighter materials such as poly-carbonite, fiberglass and carbon fiber.