As a new lighting material, when LED is made into filament, it brings infinite imagination to modern lighting. It is the perfect combination of art and technology!

*  Hangzhou SIJUNSI technology Co., Ltd. isa lighting design, manufacturing and sales company, especially the LED filament lamp series! 

*  We have many international patents, includ the spiral filament bulb patent.

*  Our products are all patent protected products and we also have a strong OEM factory.  Our products have appeared all over the world.

*  We also own the following domains: “ledfilament.com”, “ledfilamentbulb.com”, “ledfilamentlamp.com”.