BSX Day to Day SP discussion, page-4606

On November 14, 2005 Asian Mineral Resources Limited announced the completion of the Feasibility Study on the Ban Phuc Nickel sulfide project in Vietnam by Ausenco Limited
On July 18, 2006, Asian Mineral Resources Ltd. has acquired an additional 20% project ownership in the Ban Phuc nickel project, Vietnam, for $2.5million (U.S.). The 20% interest acquisition from founding joint venture partner, Mineral Development Co., was made in accordance with the terms of the July 12, 2005, definitive purchase agreement, thereby increasing ASN's interest to 90%. The remaining 10% project ownership will continue to be held by the provincial-based joint venture partner, Mechanical Engineering Co. of son La province, Vietnam.
AUGUST 31, 2007 Asian Mineral Resources releases update on Vietnamese nickel project...estimated capital cost of the project is now US$62.1 million, including a US$5.1 million contingency cost.

JUNE 16, 2008 Asian Mineral quietly opens new frontier in Vietnam...Asian Mineral has a fully funded project...$75-million capital project will be commissioned in early 2009 with commercial production starting by the summer. The processing plant will initially run at 200,000 tonnes per year with room to increase production to maximum capacity. The deposit was explored off and on over the years with Falconbridge

SEPTEMBER 30, 2008 Asian Mineral shelves nickel project months before commissioning...ad not yet found a source for the remaining $45 million needed to complete the project. At that time, the company had about $14 million in cash. Total capital costs were estimated at $81.5 million.

2012 Asian Mineral Resources blazes a trail in South East Asia. ... By 2009 AMR had revived Ban Phuc and in 2012 a cash injection by resources investment firm Pala
April 19, 2012 Asian Mineral Resources Limited Announces Pala Investments'...James Askew, Jan Castro NEDs Michael Brown

16 July 2014 Asian MInerals announces grant of exploration licence.... the construction of a smelter would enable ASN to significantly enhance the economics of Ban Phuc and future regional mines by substantially reducing export tariffs

DECEMBER 17, 2014 Asian Mineral capitalizes on first-mover status in Vietnam

July 26, 2015 This trailblazing company is ahead of the game in the fastest growing region in the world...Ban Phuc with a 450ktpa capacity was built for just $34 million and AMR’s mill recoveries exceed targets at 86.8% nickel and 93.9% copper.

MAY 14, 2018 BRIEF-Asian Mineral Resources To Divest 90 Pct Ownership Interest In Ban Phuc Nickel Mine

March 31, 2019 ASN quarterly Company announced the sale of the BanPhuc Nickel Mine on July 17, 2018
8 May 2019 Blackstone to acquire Vietnamese Nickel Project

15 April 2020 Blackstone Acquires the Ta Khoa Nickel PGE project

3rd May 2022 GR Engineering to deliver feasibility study on Ta Khoa nickel project

6th June 2023 Blackstone Minerals engages Metso for nickel, cobalt refinery plans in Vietnam

Still a few gaps in historical knowledge - don't know who designed the initial plant - Ausenco for the Feasibility, plant construction started in 2008 but looks like it stalled due to a funding gap filled by Pala in 2012.
Ran for a few years before - Like quite a few nickel players - mid 2010s nickel price took it's toll & divestment was the in thing.

Here's your hydro resource. Picturesque.