2022
Lianrou brings the maximum speed pocket spring machine LR-PS-EV280 and pocket spring integrated assembly machine LR-PSA-109P.
2021
Lianrouintroduces pocket spring machine LR-PS-OVM/HM with subminiature and ultra-high waist ratio.
2019
Lianrou introducesa leading pocket spring machine LR-PS-DW180 with ultra-high speed and pocket spring assembly machine LR-PSA-99P.
2019
Lianrou introduces a pocket spring machine LR-PS-VS/VD 140 with ultra-high cost performance.
2018
Lianrou brings Pocket Spring Machine with maximum speed of 160 springs/min. and Pocket Spring Machine LR-PS-XW.
2017
Lianrou creates a high speed Nano Spring Production Line LR-PSLINE-BOX4W, can make zones.
2016
Lianrou introduces double wire pocket spring machine LR-PS-DW.
2015
Lianrou introduces a new pocket spring machine LR-PS-DL(double layer),original creating in the industry.
2014
Lianrou leading the world invents 140 springs per minute Pocket Spring Production Line LR-PSLINE-140.
2013
Lianrou introduce Box Spring Pad (Nano Pocket Spring Units).
2011
a new factory comes into service.
2008
Automatic Pocket Spring Production Line LR-PS-LINE, the first to fill the blank domestically of a multi-functional production line in producing pocket spring units.
2007
Lianrou invents China's first servo coiler, realized fully computer control insprings coiling.
2005
Pocket Spring Machine LR-PS-VF is invented, and its efficiency breaks a record in China.
2003
Lianrou develops the first economical and durable Pocket Spring Machine with PLC control system LR-PS-90P.
2000
Lianrou develops the first generation Pocket Spring Machine LR-PS-80P.
1998
Lianrou develops the first mechanical driven Pocket Spring Machine in China.