Out of interest I googled them, seems they may have closed as last twitter post is 2014 and website is down?BPS springs in Rochdale . Ive not used them in 20yrs but they were very very helpful, winding one offs for me on a regular basis
tel:+441706643387
I think Ive used them as well, are they near the stadiumSpringcoil in Sheffield make loads of little batches of suspension springs and one offs for me.