diff --git a/sf_manufacturing/models/product_template.py b/sf_manufacturing/models/product_template.py
index cac61045..42a392e2 100644
--- a/sf_manufacturing/models/product_template.py
+++ b/sf_manufacturing/models/product_template.py
@@ -6,8 +6,8 @@ import os
 from odoo import models, fields, api, _
 from odoo.exceptions import ValidationError
 from odoo.modules import get_resource_path
-#from OCC.Extend.DataExchange import read_step_file
-#from OCC.Extend.DataExchange import write_stl_file
+from OCC.Extend.DataExchange import read_step_file
+from OCC.Extend.DataExchange import write_stl_file
 
 
 class ResProductMo(models.Model):
diff --git a/sf_sale/models/auto_quatotion_common.py b/sf_sale/models/auto_quatotion_common.py
index 1b29c6d2..09ea3f0f 100644
--- a/sf_sale/models/auto_quatotion_common.py
+++ b/sf_sale/models/auto_quatotion_common.py
@@ -2,7 +2,7 @@
 import logging
 from odoo.modules import get_resource_path
 from odoo import fields, models, api
-#from quatotion import readSql, feature_recognize, auto_quatotion
+from quatotion import readSql, feature_recognize, auto_quatotion
 
 __author__ = 'jinling.yang'
 _logger = logging.getLogger(__name__)
diff --git a/sf_sale/models/quick_easy_order.py b/sf_sale/models/quick_easy_order.py
index 5ec1fd52..1e5f274c 100644
--- a/sf_sale/models/quick_easy_order.py
+++ b/sf_sale/models/quick_easy_order.py
@@ -5,8 +5,8 @@ import os
 import json
 from datetime import datetime
 import requests
-#from OCC.Extend.DataExchange import read_step_file
-#from OCC.Extend.DataExchange import write_stl_file
+from OCC.Extend.DataExchange import read_step_file
+from OCC.Extend.DataExchange import write_stl_file
 from odoo import models, fields, api
 from odoo.modules import get_resource_path
 from odoo.exceptions import ValidationError, UserError