SIGMA
https://www.emaselectric.com/products
https://vatpan.com/uploads/VATPAN_CATALOG.pdf
https://www.pelsan.com.tr/Uploads/Document/7957983d-50b0-4789-8058-f32a6036124c.pdf?v-637902958016133269
https://www.adalpano.com.tr/adalkatalog.pdf
https://www.groche.com/produkte/Groche Technik - Plasticizing units
Products-NingBo Oukerui Connector Co.,Ltd.