The relic of the H52 Military Factory is a famous historical and cultural complex of Lam Binh district, Tuyen Quang province, associated with the nation's resistance war against the French. In 2009, the H52 Armament Factory was recognized as a National Monument.

The H52 weapon factory is located in Thuong Lam commune (formerly Ban Cai, Xuan Tien commune), Lam Binh district, Tuyen Quang province. If you have ever visited the Na Hang Lake tourist area, you will realize that the location of the area is very special.

Standing from the relic site, you can see in front of you is the immense field of Lang Lon, next to it is Thuong Lam stream. In a broader view, the factory is located in a valley with the back of a mountain. From here, it is possible to move on the field road, follow the stream, or enter the forest to escape via road or water.

Choosing the Thuong Lam area for the  H52 Military Factory, the officers carefully assessed the favorable weather conditions.

This is an area with abundant raw materials for the production of charcoal and saltpeter (the basic material for gunpowder).
With mountainous terrain that is difficult to move, shielded by old forests with convenient exits and waterways, this is an area that is difficult to enter, easy to retreat, and convenient for defense and counterattacks.
Areas with water sources and food supplies to maintain daily life and health for workers
This is also a secret area for weapons testing, the revolution is always supported and trusted by the compatriots.
With the above points, Ban Cai becomes a key location for the formation of the H52 site.

History of the H52 Military Factory Relic Site
During the resistance war against the French colonialists, Tuyen Quang was one of six localities located in the inter-regional Viet Bac Liberation (including Thai Nguyen, Tuyen Quang, Ha Giang, Cao Bang, Bac Kan, Lang Son). With many favorable conditions for the resistance war, this place was chosen to become a place to supply weapons and ammunition for the revolution from 1950 to 1954, an important part of the resistance brain. The war is far away, nowadays, the  H52 Armament Factory  has become an attractive  tourist destination  for tourists.

To form a "Military Workshop" that can operate secretly, such success is the joint effort of all Tuyen Quang people in particular and the Northwest mountains in general.

Those who laid the first foundation
When our troops moved to Tuyen Quang, the first people to help the revolution were the people. Thuong Lam area is home to a large number of Tay patriotic people. Knowing the purpose of the political commissar, the people here secretly helped to protect the troops and established the  H52 Weapon Factory.

More than 50 years ago, Ban Cai was an area where only 10 Tay households lived. Initially, the workshop was located at the house of Mrs. Nong Thi Ngoat. It is a house on stilts facing the North with 3 compartments, with a length of 9m, a width of 4m. Built from forest wood with large pillars, roofs with palm leaves, surrounded by bamboo woven walls, and boarded floors. The move up and down is entirely thanks to the stairs. This is the first place of  H52 Tuyen Quang Military Factory.

With the enthusiastic support of the people,   Factory H52 was moved to a new area with full functional subdivisions serving production and daily life of employees.

After a period of time with the help of local people, officials and factory workers completed the new residence. The entire housing and working system of the workshop includes: House of Comrade Ngo Gia Kham - Director, Hall house, housing of workers, workshop, warehouse, canteen, kitchen, furnace. forging.

The first director of the H52 . Military Arsenal
The first director of  H52  was Comrade Ngo Gia Kham. He is the person who has an important role in directing the production. Propose development strategies to produce quality and safe weapons, avoiding the eyes and ears of the enemy while ensuring the safety of the people around.