Avery Weigh-Tronix is on the site of James Watt's Soho Foundry in Smethwick; Interlink Express (and its parent GeoPost UK) is on Summit Crescent Ind Estate off the A4252, north of Smethwick Galton Bridge railway station, next to the M5. Hadley Group near the Soho Foundry is the largest cold roll forming manufacturer in the UK. J. B. & S. Lees makes steel strip at the Trident Steel Works in Albion, West Bromwich off the B4166 and also by Firth Cleveland at the B4517/B4163 junction in Tipton further up the Birmingham Canal. Caparo Precision Tubes between the M5 and A4182 in Oldbury, is the UK's largest producer of electric resistance welded (ERW) steel tubes, and Wellman Group make boilers off the A457 to the west. Metsec, east of Oldbury (owned by Voestalpine), is one of the UK's largest cold roll-forming companies. Conex Bänninger (former IBP Conex), on the B4166 in New Town, west of West Bromwich on Birmingham Canal, make pipe and compression fittings. Rhodia's Oldbury site on the B4170 in Langley Green, south of Oldbury and east of the M5 is a site (former Albright and Wilson) in phosphorus-based chemistry. The AA have a main office on the A4123 at the A4034 roundabout in Rounds Green, west of Oldbury. BIP Chemicals (former British Cyanides) at Oldbury are the oldest polymer manufacturer in the UK. STILL UK (KION Group) is in Harvills Hawthorn, Golds Hill at the A461/A41 roundabout, north-west of West Bromwich; further along the A41 is 2 Sisters Food Group, Britain's largest processor of chicken. Nesbit Evans in the east of Wednesbury, off the A41, are a main manufacturer of hospital beds, owned by ArjoHuntleigh.