塞尔维亚采购需求：玻璃管、玻璃灯泡、玻璃外壳、灯座、灯座、灯帽

We are in search of a specific type of glass suited for sealing applications with DUMET wire, ideally leaded. The dimensions we require are an outer diameter ranging from 3 to 5 mm and an inner diameter between 2 to 4 mm. In terms of quantity, we are looking for a modest amount, approximately 10 kg would suffice for our immediate needs. If you have the capability to supply this material, please let us know your availability and pricing. Looking forward to your response!