With constant value of the factory installed neutral core

Welcome to Yiwu city Cheng pen factory

sincere pen factory ( to constant pen) is located in Southeast Asia's largest commodity base -- in Yiwu City, Zhejiang Province. Years for pen to produce neutral pen, flash pen, ball pens, advertising pens, gel ink pen, flash pen, fluorescent pen refill, supermarket packaging series mainly, to improve the quality of the writing for the mission to create "the constant" brand as the goal and its reliable quality, excellent service, won the trust of customers at home and abroad. To hang on to the purpose is to pursue the purpose is: to persevere in the pursuit of quality, and constantly create a "constant" world, with a new sense of writing to the general holding a pen to hang.