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About Us

 Lon-So Plastic Industrial Co., Ltd. established in 1977, persisting in management concept of offering excellent quality, reasonable price, and reliable service, has made her products globally popular. Supported with the dynamics of “active attack” and “powerful initiative”, customers with absolute confidence in us have become our main driving power.

 In the plant area of 55,180 square feet, equipped with advanced machinery, experienced, and enthusiastic professionals, we provide complete production services from structural designs, sample making, mold testing, injection, processing through full sizes of products guaranteed to meet customers satisfaction.
 
The plastic materials used in the products conform to UL quality control and ROHS standards. And from the initial design to drawing, mold making, sample approved through mass production, we pay absolute attention to product precision. Furthermore, we adopt computer auxiliary system to improve the flaws out of manual work to refine quality to meet clients satisfaction in custom-made products.

With the experience and expertise of over forty years in the field, Lon-So enjoys the reputation of punctual delivery, and excellent quality control. To follow the trend in the new era, we keep up with the high-tech impulse, bring in most advanced automated equipment, and cooperate with academia for better tomorrows.
 
The owner of Lon-So Plastic Injection Molding Co., Ltd. : Mr. Chu-fa Hsu
Mr. Hsu, born in 1951, started his career as an entry level worker no sooner than he finished his military service. Through the hardship of a basic employee, he accumulated his experience and strength and naturally established Lon-So Plastic Injection Molding Co., Ltd. of his own in 1977, based on his being earnest, honest, active, and responsible.
Company Events

1977
Lon-Ta Factory established in Taichung County
1984
began the production of precision plastic parts with the extended 4th injection machine and the 4th production line.
1986
on May 9, Li-Lon Plastic Injection Co., Ltd. established
1987
products sold to USA, Europe, Australia, among others, listed as a supplier to large trading companies for exports
1995
moved to Ta Chia Township, with 215,00 square feet of plant to enhance service quality
1996
the molding machine equipped with take-out-robot to enhance precision plastic molding works and to promote automated production
1997
implemented computerization to simplify the working procedure for industry reform
2002
increased capacity of plastic products development and design
2003
purchased embedded, vertical plastic injection M/C for the coating, nail-insert, double-color…second processing works.
2004
extended to 11th plastic injection production line.
2005
the 300-ton injection M/C added, coming with take-out-robot to cooperate with convey belt.
2006
in November extended to 13th precision injection molding M/C
2008
in August, the 14th hybrid system injection molding M/C added (mold clamp force 30-350 tons).
2010
in February: Extension of newly 2nd plant (16,020 square feet) for better productivity.
2011
in May: To increase VS-250 to 25th set of servo precision injection molding machine (clamping force 30-550 ton)
2012
in June: Honorably received MIT golden steering wheel award—customer service gold award – Gold product award for excellent product in Taiwan.
2013
in March: CAE introduced into mature period effectively assisting designing and making processes.
2014
in September: Increased HC-250SE up to 28th set of servo precision injection molding machine.
2014
in October: Plastic injection plant established approved with number B-122125383-00000-5.
2016
in October: The second plastic injection molding department established and the 30th set of servo precision injection molding machine was added up.