diff --git a/mrp_sale_info/models/__init__.py b/mrp_sale_info/models/__init__.py
index deb13b1e9..4bf1afc2d 100644
--- a/mrp_sale_info/models/__init__.py
+++ b/mrp_sale_info/models/__init__.py
@@ -4,3 +4,4 @@ from . import mrp_production
 from . import mrp_workorder
 from . import stock_rule
 from . import sale_order
+from . import sale_order_line
diff --git a/mrp_sale_info/models/mrp_production.py b/mrp_sale_info/models/mrp_production.py
index 57c0f7d1c..6d802d74c 100644
--- a/mrp_sale_info/models/mrp_production.py
+++ b/mrp_sale_info/models/mrp_production.py
@@ -12,6 +12,7 @@ class MrpProduction(models.Model):
     source_procurement_group_id = fields.Many2one(
         comodel_name="procurement.group",
         readonly=True,
+        index=True,
     )
     sale_id = fields.Many2one(
         comodel_name="sale.order",
@@ -19,6 +20,7 @@ class MrpProduction(models.Model):
         readonly=True,
         store=True,
         related="source_procurement_group_id.sale_id",
+        index=True,
     )
     partner_id = fields.Many2one(
         comodel_name="res.partner",
@@ -32,3 +34,10 @@ class MrpProduction(models.Model):
     client_order_ref = fields.Char(
         related="sale_id.client_order_ref", string="Customer Reference", store=True
     )
+    sale_line_ids = fields.Many2many(
+        comodel_name="sale.order.line",
+        relation="sale_line_production_rel",
+        column1="production_id",
+        column2="line_id",
+        string="Sale order line",
+    )
diff --git a/mrp_sale_info/models/sale_order_line.py b/mrp_sale_info/models/sale_order_line.py
new file mode 100644
index 000000000..24c43b393
--- /dev/null
+++ b/mrp_sale_info/models/sale_order_line.py
@@ -0,0 +1,17 @@
+# Copyright 2021 Akretion (http://www.akretion.com).
+# @author Benoît GUILLOT <benoit.guillot@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class SaleOrderLine(models.Model):
+    _inherit = "sale.order.line"
+
+    production_ids = fields.Many2many(
+        comodel_name="mrp.production",
+        relation="sale_line_production_rel",
+        column1="line_id",
+        column2="production_id",
+        string="Manufacturing orders",
+    )
diff --git a/mrp_sale_info/models/stock_rule.py b/mrp_sale_info/models/stock_rule.py
index 207cd0ade..db95dc52c 100644
--- a/mrp_sale_info/models/stock_rule.py
+++ b/mrp_sale_info/models/stock_rule.py
@@ -34,4 +34,10 @@ class StockRule(models.Model):
         res["source_procurement_group_id"] = (
             values.get("group_id").id if values.get("group_id", False) else False
         )
+        moves = values.get("move_dest_ids")
+        line_ids = moves.sale_line_id
+        while moves.move_dest_ids:
+            moves = moves.move_dest_ids
+            line_ids |= moves.sale_line_id
+        res["sale_line_ids"] = line_ids and [(4, x.id) for x in line_ids] or False
         return res
diff --git a/mrp_sale_info/tests/test_mrp_sale_info.py b/mrp_sale_info/tests/test_mrp_sale_info.py
index 62ca10ab7..a1c431ecd 100644
--- a/mrp_sale_info/tests/test_mrp_sale_info.py
+++ b/mrp_sale_info/tests/test_mrp_sale_info.py
@@ -49,6 +49,7 @@ class TestMrpSaleInfo(common.SavepointCase):
         prev_productions = self.env["mrp.production"].search([])
         self.sale_order.action_confirm()
         production = self.env["mrp.production"].search([]) - prev_productions
+        self.assertEqual(production.sale_line_ids, self.sale_order.order_line)
         self.assertEqual(production.sale_id, self.sale_order)
         self.assertEqual(production.partner_id, self.partner)
         self.assertEqual(production.client_order_ref, self.sale_order.client_order_ref)