diff --git a/svc/routes/production_product_costing.go b/svc/routes/production_product_costing.go
index 1811035..1128dbf 100644
--- a/svc/routes/production_product_costing.go
+++ b/svc/routes/production_product_costing.go
@@ -374,9 +374,10 @@ func GetProductionHasCostDetailGroupsHandler(w http.ResponseWriter, r *http.Requ
 			}
 			scannedRows += 1
 
-			item.NOnMLNo, _ = strconv.Atoi(nOnMLNoStr)
-			item.NOnMLDetNo, _ = strconv.Atoi(nOnMLDetNoStr)
-			item.NHammaddeTuruNo, _ = strconv.Atoi(hNoStr)
+			// Model fields are strings; keep as-is to avoid type mismatches.
+			item.NOnMLNo = strings.TrimSpace(nOnMLNoStr)
+			item.NOnMLDetNo = strings.TrimSpace(nOnMLDetNoStr)
+			item.NHammaddeTuruNo = strings.TrimSpace(hNoStr)
 
 			if fiyatGirilen.Valid {
 				item.FiyatGirilen = new(float64)
@@ -496,9 +497,10 @@ func GetProductionHasCostDetailGroupsHandler(w http.ResponseWriter, r *http.Requ
 		}
 		scannedRows++
 
-		item.NOnMLNo, _ = strconv.Atoi(nOnMLNoStr)
-		item.NOnMLDetNo, _ = strconv.Atoi(nOnMLDetNoStr)
-		item.NHammaddeTuruNo, _ = strconv.Atoi(hNoStr)
+		// Model fields are strings; keep as-is to avoid type mismatches.
+		item.NOnMLNo = strings.TrimSpace(nOnMLNoStr)
+		item.NOnMLDetNo = strings.TrimSpace(nOnMLDetNoStr)
+		item.NHammaddeTuruNo = strings.TrimSpace(hNoStr)
 
 		if fiyatGirilen.Valid {
 			item.FiyatGirilen = new(float64)
@@ -1756,6 +1758,22 @@ WHERE RMik.nUrtReceteID = @p1
   AND RMik.nUrtMBolumID = @p2
   AND LTRIM(RTRIM(RMik.nHStokID_G)) = @p3
 `, receteID, hNo, rawSKodu).Scan(&exists); err == nil && exists > 0 {
+				// Compute TRY unit price for recipe mirror columns.
+				cur := strings.ToUpper(strings.TrimSpace(row.FiyatDoviz))
+				in := row.FiyatGirilen
+				unitTRYRec := in
+				switch cur {
+				case "USD":
+					unitTRYRec = in * usdRate
+				case "EUR":
+					unitTRYRec = in * eurRate
+				case "GBP":
+					unitTRYRec = in * gbpRate
+				case "TRY", "TL", "":
+					unitTRYRec = in
+				default:
+					unitTRYRec = in
+				}
 				_, _ = tx.ExecContext(ctx, `
 UPDATE dbo.spUrtRecMBolumMik
 SET lHMiktar_G = @p4,
@@ -1766,11 +1784,27 @@ SET lHMiktar_G = @p4,
 WHERE nUrtReceteID = @p1
   AND nUrtMBolumID = @p2
   AND LTRIM(RTRIM(nHStokID_G)) = @p3
-`, receteID, hNo, rawSKodu, row.LMiktar, unitTRY, user, row.MaliyeteDahil)
+`, receteID, hNo, rawSKodu, row.LMiktar, unitTRYRec, user, row.MaliyeteDahil)
 				continue
 			}
 
 			// Insert missing: using _G columns and storing code in nHStokID_G.
+			// Compute TRY unit price for recipe mirror columns.
+			cur := strings.ToUpper(strings.TrimSpace(row.FiyatDoviz))
+			in := row.FiyatGirilen
+			unitTRYRec := in
+			switch cur {
+			case "USD":
+				unitTRYRec = in * usdRate
+			case "EUR":
+				unitTRYRec = in * eurRate
+			case "GBP":
+				unitTRYRec = in * gbpRate
+			case "TRY", "TL", "":
+				unitTRYRec = in
+			default:
+				unitTRYRec = in
+			}
 			_, insertErr := tx.ExecContext(ctx, `
 INSERT INTO dbo.spUrtRecMBolumMik (
 	nUrtReceteID,
@@ -1816,7 +1850,7 @@ VALUES (
 	GETDATE(),
 	1
 )
-			`, receteID, nextRecDetID, rawSKodu, row.LMiktar, unitTRY, hNo, row.NUrtMTBolumID, row.MaliyeteDahil, user)
+			`, receteID, nextRecDetID, rawSKodu, row.LMiktar, unitTRYRec, hNo, row.NUrtMTBolumID, row.MaliyeteDahil, user)
 			if insertErr == nil {
 				nextRecDetID += 1
 			}