diff --git a/htdocs/install/mysql/data/llx_c_product_nature.sql b/htdocs/install/mysql/data/llx_c_product_nature.sql
new file mode 100644
index 00000000000..7594e8e3f69
--- /dev/null
+++ b/htdocs/install/mysql/data/llx_c_product_nature.sql
@@ -0,0 +1,29 @@
+-- Copyright (C) 2020 florian HENRY florian.henry@scopen.fr
+--
+-- This program is free software; you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation; either version 3 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program. If not, see <https://www.gnu.org/licenses/>.
+--
+--
+
+--
+-- Do not place a comment at the end of the line, this file is parsed when
+-- from the install and all '--' are removed.
+--
+-- Ne pas placer de commentaire en fin de ligne, ce fichier est parsé lors
+-- de l'install et tous les sigles '--' sont supprimés.
+--
+
+INSERT INTO llx_c_product_nature (code, label, active) VALUES (-1, '', 1);
+INSERT INTO llx_c_product_nature (code, label, active) VALUES (0, 'RowMaterial', 1);
+INSERT INTO llx_c_product_nature (code, label, active) VALUES (1, 'Finished', 1);
+
diff --git a/htdocs/install/mysql/migration/12.0.0-13.0.0.sql b/htdocs/install/mysql/migration/12.0.0-13.0.0.sql
index 43868da4a1b..bf9432a6e81 100644
--- a/htdocs/install/mysql/migration/12.0.0-13.0.0.sql
+++ b/htdocs/install/mysql/migration/12.0.0-13.0.0.sql
@@ -406,3 +406,15 @@ ALTER TABLE llx_projet_task_time MODIFY COLUMN datec datetime;
 DELETE FROM llx_user_rights WHERE fk_id IN (SELECT id FROM llx_rights_def where module = 'holiday' and perms = 'lire_tous'); 
 DELETE FROM llx_rights_def where module = 'holiday' and perms = 'lire_tous';
 
+CREATE TABLE llx_c_product_nature (
+      rowid integer AUTO_INCREMENT PRIMARY KEY,
+      code integer NOT NULL,
+      label varchar(100),
+      active tinyint DEFAULT 1  NOT NULL
+) ENGINE=innodb;
+
+ALTER TABLE llx_c_product_nature ADD UNIQUE INDEX uk_c_product_nature(code);
+
+INSERT INTO llx_c_product_nature (code, label, active) VALUES (-1, '', 1);
+INSERT INTO llx_c_product_nature (code, label, active) VALUES (0, 'RowMaterial', 1);
+INSERT INTO llx_c_product_nature (code, label, active) VALUES (1, 'Finished', 1);
diff --git a/htdocs/install/mysql/tables/llx_c_product_nature.key.sql b/htdocs/install/mysql/tables/llx_c_product_nature.key.sql
new file mode 100644
index 00000000000..17459032ecd
--- /dev/null
+++ b/htdocs/install/mysql/tables/llx_c_product_nature.key.sql
@@ -0,0 +1 @@
+ALTER TABLE llx_c_product_nature ADD UNIQUE INDEX uk_c_product_nature(code);
diff --git a/htdocs/install/mysql/tables/llx_c_product_nature.sql b/htdocs/install/mysql/tables/llx_c_product_nature.sql
new file mode 100644
index 00000000000..b2f9892aa1e
--- /dev/null
+++ b/htdocs/install/mysql/tables/llx_c_product_nature.sql
@@ -0,0 +1,24 @@
+-- ========================================================================
+-- Copyright (C) 2020 Florian HENRY  <florian.henry@scopen.fr>
+--
+-- This program is free software; you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation; either version 3 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program. If not, see <https://www.gnu.org/licenses/>.
+--
+-- ========================================================================
+
+CREATE TABLE llx_c_product_nature (
+     rowid integer AUTO_INCREMENT PRIMARY KEY,
+     code varchar(3) NOT NULL,
+     label varchar(100),
+     active tinyint DEFAULT 1  NOT NULL
+) ENGINE=innodb;