Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* You have visited the company page Centre for Alternative Technology, which is in category cat. The legal address of the company is Llwyngwern Quarry, Pantperthog, Gwynedd SY20 9AZ. For more information, call 01654705950 Your comments* (not for publishing) * — Required information Centre for Alternative Technology ← View details Llwyngwern Quarry, Pantperthog, Gwynedd SY20 9AZ, United Kingdom, Pantperthog, Gwynedd 01654705950