Specifications

bonnell spring for making mattress
1.durable
2.quick delivery
3.20 years experience in mattress spring
4.15 years warranty

We have been in mattress innerspring units industry since 1989.Today,with the capacity of producing 7000 pieces of innerspring unit a day,we are proud to say that we are the biggest mattress innerspring manufacturer in China,we produce the most competitive innerspring units.

 

 

Outside view of our factory

 

Office building

Bonnell spring station

 After spring unit well-formed and checked,before compressing,every piece of spring unit will be sent in an oven to get a 30-40mins,300-400°C heat-treating process to make sure its good elasticity and durability.We give 15years warranties for each spring unit.

 

Goods ready to ship after compressing

Pocket spring workshop

 

We use good quality 70# high carbon steel wire for our spring,even the steel wire,we produce them ourselves.

 

Row Counts&Dimensions
Innerspring Units
	Twin	TwinXL	Full	FullXL	Queen	King	Cal.King
Unit	36 1/2×73	36 1/2×78	51 1/2×73	51 1/2×78	58 1/2×78	74 1/2×78	70 1/2×82
	Bonnell spring
252	8×21	8×23	12×21	12×23	13×23	16×23	15×24
312	9×24	9×26	13×24	13×26	15×26	18×26	17×27
336	10×24	10×26	14×24	14×26	16×26	20×26	18×27
364	10×26	10×28	14×26	14×28	16×28	20×28	19×29
Marshall(Fabric Encased)
475	13×25	N/A	19×25	N/A	21×27	27×27	26×28
609	15×29	N/A	21×29	N/A	24×31	30×31	29×32
660	16×30	N/A	22×30	N/A	25×32	32×32	30×34
SuperLastic
520	18×20	18×21	26×20	26×21	30×21	38×21	36×22
624	18×24	18×26	26×24	26×26	30×26	38×26	36×27
624FE	18×22	N/A	24×22	N/A	28×24	36×24	34×25

Benefit from our 600 well-trained and experienced workers team,inquire now!